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| International Standard Category: Iron and steel pipes |
SY/T 0379-1998 Standard of coal tar enamel external coating for buried steel pipeline
埋外钢质管道煤焦油瓷漆外防腐层技术标准 ;
| Category No.: | 23.040.10 | Valid Status: | superseded |
| Issued Organization: | 国家石油和化学工业局 | Issued Date: | 1999-03-03 |
| Implemented Date: | 1999-10-1 | Abolished Date: | |
| Superseded Standard.: | SY/T 0379-2013 Standard of Coal Enamel External Protective Coating for Buried Steel Pipeline |
Superseded Date: | 2014-4-1 |
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