div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb 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 src=https:reader035fdocumentsusreader035viewer2022071518613c3e154c23507cb63541a6html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb 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 src=https:reader035fdocumentsusreader035viewer2022071518613c3e154c23507cb63541a6html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb 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 src=https:reader035fdocumentsusreader035viewer2022071518613c3e154c23507cb63541a6html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: 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 src=https:reader035fdocumentsusreader035viewer2022071518613c3e154c23507cb63541a6html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: 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...