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Value-added Services
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International Standard Category: Equipment for petroleum and natural gas industries in general |
Category No.: | Valid Status: | superseded | |
Issued Organization: | NDRC | Issued Date: | 2007-10-8 |
Implemented Date: | 2008-3-1 | Abolished Date: | |
Superseded Standard.: | SY/T 6476-2013 Practice for Drop-weight Tear Tests on Steel Line Pipe |
Superseded Date: | 2014-4-1 |
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