Method and apparatus for making pipe bends and the like,申请号US19380209177-传众专利搜索

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发明名称	Method and apparatus for making pipe bends and the like
摘要
申请公布号	US2176961(A)	申请公布日期	1939.10.24
申请号	US19380209177	申请日期	1938.05.21
申请人	THE GIRDLER CORPORATION	发明人	GAUM GILBERT A.
分类号	B21D9/12	主分类号	B21D9/12
代理机构		代理人
主权项
地址

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