Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
HG/T 21524-2014 |
Welding neck flange manholes with davit to horizontal cover 水平吊盖带颈对焊法兰人孔 |
China Chemical Industry
Standards davit |
English PDF |
HG/T 21523-2014 |
Slip on flange manholes with davit to horizontal cover 水平吊盖带颈平焊法兰人孔 |
China Chemical Industry
Standards davit |
English PDF |
HG/T 21522-2014 |
Plate flange manholes with davit to horizontal cover 水平吊盖板式平焊法兰人孔 |
China Chemical Industry
Standards davit |
English PDF |
HG/T 21521-2014 |
Welding neck flange manholes with davit to vertical cover 垂直吊盖带颈对焊法兰人孔 |
China Chemical Industry
Standards davit |
English PDF |
HG/T 21520-2014 |
Slip on flange manholes with davit to vertical cover 垂直吊盖带颈平焊法兰人孔 |
China Chemical Industry
Standards davit |
English PDF |
HG/T 21519-2014 |
Plate flange manholes with davit to verticla cover 垂直吊盖板式平焊法兰人孔 |
China Chemical Industry
Standards davit |
English PDF |
HG/T 21639-2005 |
Top davit for towers 塔顶吊柱 |
China Chemical Industry
Standards davit |
English PDF |
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