div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader043fdocumentsnetreader043viewer20220308235b3924af7f8b9a4b0a8c78echtml5page1jpg target=_blank img data-url=documents2-7-applied-in-secondary-mine-drainage-and-mine-air-cooling-in-almost-everyhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: s2-7 · applied in secondary mine drainage and mine air cooling in almost every colliery in Germany Suction and pressure casing of 1-1K 10 are so designed that a lantern loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader043fdocumentsnetreader043viewer20220308235b3924af7f8b9a4b0a8c78echtml5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader043fdocumentsnetreader043viewer20220308235b3924af7f8b9a4b0a8c78echtml5page2jpg target=_blank img data-url=documents2-7-applied-in-secondary-mine-drainage-and-mine-air-cooling-in-almost-everyhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: s2-7 · applied in secondary mine drainage and mine air cooling in almost every colliery in Germany Suction and pressure casing of 1-1K 10 are so designed that a lantern loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader043fdocumentsnetreader043viewer20220308235b3924af7f8b9a4b0a8c78echtml5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader043fdocumentsnetreader043viewer20220308235b3924af7f8b9a4b0a8c78echtml5page3jpg target=_blank img data-url=documents2-7-applied-in-secondary-mine-drainage-and-mine-air-cooling-in-almost-everyhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: s2-7 · applied in secondary mine drainage and mine air...