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Standard
| SY/T 0420-1997 Technology standard for petroleum asphalt coating of buried steel pipeline (English Version) |
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Detail of SY/T 0420-1997
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Introduction of SY/T 0420-1997
本标准适用于输送介质温度不超过80摄氏度的埋地钢质管道石油沥青外防腐层的设计、预制、施工及验收。石油沥青外防腐管道管道不宜敷设在水下或沼泽及芦苇地带。
Contents of SY/T 0420-1997