Method and machine for flanging tubes,申请号US19260111275-传众专利搜索

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发明名称	Method and machine for flanging tubes
摘要
申请公布号	US1775766(A)	申请公布日期	1930.09.16
申请号	US19260111275	申请日期	1926.05.24
申请人	STEEL AND TUBES, INC.	发明人	HOLMES EARL K.
分类号	B21D19/04	主分类号	B21D19/04
代理机构		代理人
主权项
地址

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