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refers to the main scale division 19 mm is divided into loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e9804631da22a0c3a637fhtml5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=itforward-direction-ttbackward-direction-tffforward-and-backward-directionhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: · ÈITForward direction ÈTTBackward direction ÈTffForward and Backward direction direction Ra value of a surface refers to the main scale division 19 mm is divided into loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e9804631da22a0c3a637fhtml5thumbnails3jpg width=140 height=200 divdivdiv 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refers to the main scale division 19 mm is divided into loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e9804631da22a0c3a637fhtml5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=itforward-direction-ttbackward-direction-tffforward-and-backward-directionhtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: · ÈITForward direction ÈTTBackward direction ÈTffForward and Backward direction direction Ra value of a surface refers to the main scale division 19 mm is divided into loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e9804631da22a0c3a637fhtml5thumbnails6jpg width=140 height=200 divdivdiv 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refers to the main scale division 19 mm is divided into loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e9804631da22a0c3a637fhtml5thumbnails8jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imageimg data-url=itforward-direction-ttbackward-direction-tffforward-and-backward-directionhtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: · ÈITForward direction ÈTTBackward direction ÈTffForward and Backward direction direction Ra value of a surface refers to the main scale division 19 mm is divided into loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e9804631da22a0c3a637fhtml5thumbnails9jpg width=140 height=200 divdivdiv 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surface refers to the main scale division 19 mm is divided into loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e9804631da22a0c3a637fhtml5thumbnails11jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imageimg data-url=itforward-direction-ttbackward-direction-tffforward-and-backward-directionhtmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: · ÈITForward direction ÈTTBackward direction ÈTffForward and Backward direction direction Ra value of a surface refers to the main scale division 19 mm is divided into loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e9804631da22a0c3a637fhtml5thumbnails12jpg width=140 height=200 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value of a surface refers to the main scale division 19 mm is divided into loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e9804631da22a0c3a637fhtml5thumbnails14jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=15Page 15button div class=ts-imageimg data-url=itforward-direction-ttbackward-direction-tffforward-and-backward-directionhtmlpage=15 data-page=15 class=ts-thumb lazyload alt=Page 15: · ÈITForward direction ÈTTBackward direction ÈTffForward and Backward direction direction Ra value of a surface refers to the main scale division 19 mm is divided into loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e9804631da22a0c3a637fhtml5thumbnails15jpg width=140 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direction Ra value of a surface refers to the main scale division 19 mm is divided into loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e9804631da22a0c3a637fhtml5thumbnails17jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=18Page 18button div class=ts-imageimg data-url=itforward-direction-ttbackward-direction-tffforward-and-backward-directionhtmlpage=18 data-page=18 class=ts-thumb lazyload alt=Page 18: · ÈITForward direction ÈTTBackward direction ÈTffForward and Backward direction direction Ra value of a surface refers to the main scale division 19 mm is divided into loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e9804631da22a0c3a637fhtml5thumbnails18jpg 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direction direction Ra value of a surface refers to the main scale division 19 mm is divided into loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentssitereader034viewer20220421235e9e9804631da22a0c3a637fhtml5thumbnails20jpg width=140 height=200 divdiv