ASME Boiler-CAD之家

QUALIFICATION STANDARD FOR WELDING, BRAZING, AND FUSING PROCEDURES; WELDERS; BRAZERS; AND WELDING, BRAZING, AND FUSING OPERATORS（ASME Ⅸ-2019）

aiytoo 机械标准 2021年9月17日阅读(735) 评论(0)

This international code or standard was developed under procedures accredited as meeting t...