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Chinese National Standard Category: Steel tube and cast iron pipe

English Title: Grey cast iron fittings with rubber ring of ladder-lip-shaped
Chinese Title: 梯唇型橡胶圈接口铸铁管件
Standard No.: GB 11257-1989
Category No.: H48
Issued by:
Issued on:
Implemented on: 1990-1-1
Status: superseded
Superseded by:YB/T 5226-1993 Grey cast iron fittings with rubber ring of ladder-lip-shaped
Superseded on:1994-1-1
Abolished on:
Superseding:
Word Count:11000 words
Similar Standards: DB13/T 1601-2012   T/CGAS 018-2021   DB13/T 1600-2012   GB/T 28884-2012   GB/T 9808-2023   GB/T 43311-2023   GB/T 43105-2023   GB/T 5310-2023   GB/T 43107-2023   GB/T 42675-2023   GB/T 24187-2023   GB/T 42541-2023   GB/T 28713-2023   GB/T 17396-2022   GB/T 2102-2022   GB/T 3087-2022   GB/T 40317-2021   GB/T 40297-2021   GB/T 18248-2021   GB/T 3639-2021  
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