div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader039fdocumentsinreader039viewer20220405125e61e2c46a410a3f0673a75fhtml5page1jpg target=_blank img data-url=documentpdf-compressor-electric-resistance-welded-erw-or-high-erw-frequency-weldinghtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: PDF CompressorElectric Resistance Welded ERW or High ERW Frequency Welding HFW steel pipes is based on welding in flat sheet rolled into a tube Through its proven coating process loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader039fdocumentsinreader039viewer20220405125e61e2c46a410a3f0673a75fhtml5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader039fdocumentsinreader039viewer20220405125e61e2c46a410a3f0673a75fhtml5page2jpg target=_blank img data-url=documentpdf-compressor-electric-resistance-welded-erw-or-high-erw-frequency-weldinghtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: PDF CompressorElectric Resistance Welded ERW or High ERW Frequency Welding HFW steel pipes is based on welding in flat sheet rolled into a tube Through its proven coating process loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader039fdocumentsinreader039viewer20220405125e61e2c46a410a3f0673a75fhtml5thumbnails2jpg width=140 height=200 adivdiv