Tube end closing apparatus,申请号US19540453905-传众专利搜索

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发明名称	Tube end closing apparatus
摘要
申请公布号	US2881727(A)	申请公布日期	1959.04.14
申请号	US19540453905	申请日期	1954.09.02
申请人	MADDUX DUANE C	发明人	MADDUX DUANE C.
分类号	B21D41/04	主分类号	B21D41/04
代理机构		代理人
主权项
地址

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