Tube punching apparatus,申请号US19290381496-传众专利搜索

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法人/股东/高管

发明名称	Tube punching apparatus
摘要
申请公布号	US1884143(A)	申请公布日期	1932.10.25
申请号	US19290381496	申请日期	1929.07.27
申请人	BUTLER MANUFACTURING COMPANY	发明人	NORQUIST VICTOR C.
分类号	B21D28/28	主分类号	B21D28/28
代理机构		代理人
主权项
地址

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