Die clamp for machines for flanging pipes,申请号US19310525134-传众专利搜索

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发明名称	Die clamp for machines for flanging pipes
摘要
申请公布号	US1955119(A)	申请公布日期	1934.04.17
申请号	US19310525134	申请日期	1931.03.25
申请人	MIDWEST PIPING & SUPPLY CO. INC.	发明人	FANTZ FRED C.
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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