Wiper attachment for metalworking machines,申请号US19370162922-传众专利搜索

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发明名称	Wiper attachment for metalworking machines
摘要
申请公布号	US2231135(A)	申请公布日期	1941.02.11
申请号	US19370162922	申请日期	1937.09.08
申请人	NATIONAL TUBE COMPANY	发明人	MURRAY MALCOLM G.
分类号	B21C37/30	主分类号	B21C37/30
代理机构		代理人
主权项
地址

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