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1 主要内容与适用范围本标准规定了冷旋压封头制造、检验的技术要求。本标准适用于钢制压力容器用冷旋压封头的制造和检验。非压力容器用冷旋压封头亦可
1 main content and scope of application This standard specifies the technical requirements for the manufacture and inspection of cold spinning head. This standard applies to steel pressure vessels with cold spinning head manufacture and inspection. Non-pressure vessels with cold spinning head can also be