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Chinese National Standard Category: Profile steel and deformed steel

English Title: Hot rolled steel section for mine timbering
Chinese Title: 矿山巷道支护用热轧型钢
Standard No.: GB/T 4697-2017
Category No.: H44
Issued by: AQSIQ, SAC
Issued on: 2017-07-12
Implemented on: 2018-4-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:GB/T 4697-2008 Hot-rolled U-type steel for mine timbering
Word Count:7500 words
Similar Standards: GB 1466-1978   GB 2597-1981   GB/T 42678-2023   GB/T 42899-2023   GB/T 42796-2023   GB/T 42785-2023   GB/T 42901-2023   GB/T 42669-2023   GB/T 42355.2-2023   GB/T 42355.1-2023   GB/T 1499.3-2022   GB/T 41748-2022   GB/T 41749-2022   GB/T 28900-2022   GB/T 20933-2021   GB/T 12773-2021   GB/T 24242.2-2020   GB/T 24242.4-2020   GB/T 24242.1-2020   GB/T 39041-2020  
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