div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document2016-5-17-iso-4126-1-1991-safety-valvesapart-1-general-requirementshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: bingdian001 · 2016 5 17 · ISO 4126-1: 1991 Safety valves—Part 1 : General requirements MOD GBT 12241—2005 GBT 12241— 1989 8 mm 01 MPa GBT 1047 GBT 1047—2005 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsinreader035viewer2022071518613c3e154c23507cb63541a6html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=document2016-5-17-iso-4126-1-1991-safety-valvesapart-1-general-requirementshtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: bingdian001 · 2016 5 17 · ISO 4126-1: 1991 Safety valves—Part 1 : General requirements MOD GBT 12241—2005 GBT 12241— 1989 8 mm 01 MPa GBT 1047 GBT 1047—2005 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsinreader035viewer2022071518613c3e154c23507cb63541a6html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=document2016-5-17-iso-4126-1-1991-safety-valvesapart-1-general-requirementshtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: bingdian001 · 2016 5 17 · ISO 4126-1: 1991 Safety valves—Part 1 : General requirements MOD GBT 12241—2005 GBT 12241— 1989 8 mm 01 MPa GBT 1047 GBT 1047—2005 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsinreader035viewer2022071518613c3e154c23507cb63541a6html5thumbnails3jpg width=140 height=200...