div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=-s319-1974-ansi-s126-mtodos-a-e-b-e-iso-4869-1-en-24869-11992-estashtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: S319-1974 ANSI S126 - Métodos A e B e ISO 4869-1 EN-24869-1:1992 Estas normas prevêem a obtençåo de valores de atenuaçåo e desvio padråo ambos dados em dB dos protetores loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer20220422025ea2b6662833740da84734b9html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=-s319-1974-ansi-s126-mtodos-a-e-b-e-iso-4869-1-en-24869-11992-estashtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: S319-1974 ANSI S126 - Métodos A e B e ISO 4869-1 EN-24869-1:1992 Estas normas prevêem a obtençåo de valores de atenuaçåo e desvio padråo ambos dados em dB dos protetores loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer20220422025ea2b6662833740da84734b9html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=-s319-1974-ansi-s126-mtodos-a-e-b-e-iso-4869-1-en-24869-11992-estashtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: S319-1974 ANSI S126 - Métodos A e B e ISO 4869-1 EN-24869-1:1992 Estas normas prevêem a obtençåo de valores de atenuaçåo e desvio padråo ambos dados em dB dos protetores loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer20220422025ea2b6662833740da84734b9html5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=-s319-1974-ansi-s126-mtodos-a-e-b-e-iso-4869-1-en-24869-11992-estashtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: S319-1974 ANSI S126 - Métodos A e B e ISO 4869-1 EN-24869-1:1992 Estas normas prevêem a obtençåo de valores de atenuaçåo e desvio padråo ambos dados em dB dos protetores loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer20220422025ea2b6662833740da84734b9html5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=-s319-1974-ansi-s126-mtodos-a-e-b-e-iso-4869-1-en-24869-11992-estashtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: S319-1974 ANSI S126 - Métodos A e B e ISO 4869-1 EN-24869-1:1992 Estas normas prevêem a obtençåo de valores de atenuaçåo e desvio padråo ambos dados em dB dos protetores loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer20220422025ea2b6662833740da84734b9html5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=-s319-1974-ansi-s126-mtodos-a-e-b-e-iso-4869-1-en-24869-11992-estashtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: S319-1974 ANSI S126 - Métodos A e B e ISO 4869-1 EN-24869-1:1992 Estas normas prevêem a obtençåo de valores de atenuaçåo e desvio padråo ambos dados em dB dos protetores loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer20220422025ea2b6662833740da84734b9html5thumbnails6jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imageimg data-url=-s319-1974-ansi-s126-mtodos-a-e-b-e-iso-4869-1-en-24869-11992-estashtmlpage=7 data-page=7 class=ts-thumb lazyload alt=Page 7: S319-1974 ANSI S126 - Métodos A e B e ISO 4869-1 EN-24869-1:1992 Estas normas prevêem a obtençåo de valores de atenuaçåo e desvio padråo ambos dados em dB dos protetores loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer20220422025ea2b6662833740da84734b9html5thumbnails7jpg width=140 height=200 divdiv