div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=heat-pump-solar-collector-system2004-model-1htmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Heat pump solar collector system(2004) model 1 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentssitereader035viewer202207311655524902b4c9059a4f8b4a6dhtml5thumbnails1jpg width=140 height=200 divdiv