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| International Standard Category: Check valves |
GB/T 12235-2007/XG1-2011 Steel globe valves and lift check valve for petroleum||petrochemical and allied industries, includes Amendment 1
石油、石化及相关工业用钢制截止阀和升降式止回阀 含第1号修改单;
| Category No.: | 23.060.50 | Valid Status: | valid |
| Issued Organization: | AQSIQ;SAC | Issued Date: | 2011-5-30 |
| Implemented Date: | 2011-7-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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