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Chinese National Standard Category: Oil and gas gathering and transportation equipment

English Title: Polyethylene coating for buried steel pipeline
Chinese Title: 埋地钢质管道聚乙烯防腐层
Standard No.: GB/T 23257-2017
Category No.: E98
Issued by: AQSIQ AND SAC
Issued on: 2017-05-12
Implemented on: 2017-12-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:GB/T 23257-2009 Polyethylene coating for buried steel pipeline
Word Count:20500 words
Similar Standards: SY/T 5989-1994   GB/T 17290-1998   SN/T 0820-1999   GB/T 27866-2023   GB/T 18603-2023   GB/T 24259-2023   GB/T 18604-2023   GB/T 42797-2023   GB/T 27699-2023   GB/T 28055-2023   GB/T 21391-2022   GB/T 42033-2022   GB/T 39636-2020   GB/T 23258-2020   GB/T 21246-2020   GB/T 37587-2019   GB/T 36989-2018   GB/T 36701-2018   GB/T 35068-2018   GB/T 35988-2018  
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