Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 28776-2012 |
Steel gate, globe and check valve for the petroleum and natural gas industries (for sizes DN100 and smaller) 石油和天然气工业用钢制闸阀、截止阀和止回阀(≤DN100) |
China National Standards Steel gate, globe |
English PDF |
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