Code of China Chinese Classification Professional Classification ICS Classification Latest Value-added Services

International Standard Category: Welding, brazing and soldering in general

QJ A 2344-1997    QJ A 2344-1997 Qualification and Certification for Welder of Aerospace Industry
航天工业焊工的资格鉴定与认证;
Category No.:25.160.01 Valid Status:valid
Issued Organization: Issued Date:
Implemented Date: Abolished Date:
Superseded Standard.: Superseded Date:
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