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International Standard Category: Steel profiles

GB/T 34567-2017    Cold-formed corrugated steel pipes
冷弯波纹钢管;
Category No.:77.140.70 Valid Status:valid
Issued Organization:AQSIQ AND SAC Issued Date:2017-10-14
Implemented Date:2018-7-1 Abolished Date:
Superseded Standard.: Superseded Date:
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