Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
HG/T 21535-2014 |
Quick open handholes with hinged cover 回转盖快开手孔 |
China Chemical Industry
Standards Quick open handholes |
![]() English PDF |
HG/T 21534-2014 |
Quick open handholes with rotating handle 旋柄快开手孔 |
China Chemical Industry
Standards Quick open handholes |
![]() English PDF |
HG/T 21533-2014 |
Quick open handholes for atmospheric use 常压快开手孔 |
China Chemical Industry
Standards Quick open handholes |
![]() English PDF |
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