Pipe end forming machine,申请号US19440548022-传众专利搜索

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发明名称	Pipe end forming machine
摘要
申请公布号	US2422338(A)	申请公布日期	1947.06.17
申请号	US19440548022	申请日期	1944.08.04
申请人	CHRISTENSEN EDWIN S	发明人	CHRISTENSEN EDWIN S.
分类号	B23K7/00;B23Q27/00	主分类号	B23K7/00
代理机构		代理人
主权项
地址

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