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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 40516-2021 |
Metal valves for use in marine J-flanged pipe face-to-face and centre-to-face dimensions J类船用法兰连接金属阀门的结构长度 |
China National Standards Metal valves Face |
 English PDF |
| GB/T 11698-2008 |
Metal valves for use in marine flanged pipe systems - Face-to-face and center-to-face dimensions 船用法兰连接金属阀门的结构长度 |
China National Standards Metal valves Face |
English PDF |
| GB/T 12221-2005 |
Metal valves-Face to face,end to end,center to face and center to end dimensions 金属阀门 结构长度 |
China National Standards Metal valves Face |
English PDF |
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