Improved method and apparatus for expanding tubular metal articles,申请号GB19560004975-传众专利搜索

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发明名称	Improved method and apparatus for expanding tubular metal articles
摘要
申请公布号	GB801345(A)	申请公布日期	1958.09.10
申请号	GB19560004975	申请日期	1956.02.17
申请人	MOTOR SPECIALITIES LIMITED	发明人
分类号	B21J7/12;B23P15/10	主分类号	B21J7/12
代理机构		代理人
主权项
地址

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