Machine for forming double lap flaring on tubing,申请号US19490078616-传众专利搜索

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发明名称	Machine for forming double lap flaring on tubing
摘要
申请公布号	US2620013(A)	申请公布日期	1952.12.02
申请号	US19490078616	申请日期	1949.02.26
申请人	DE VOSS EDWIN A	发明人	VOSS EDWIN A. DE
分类号	B21D41/00	主分类号	B21D41/00
代理机构		代理人
主权项
地址

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