Apparatus for metal working,申请号US19300440506-传众专利搜索

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发明名称	Apparatus for metal working
摘要
申请公布号	US1917856(A)	申请公布日期	1933.07.11
申请号	US19300440506	申请日期	1930.03.31
申请人	SCHMELLER HOLDING COMPANY	发明人	SR. JOHN SCHMELLER,
分类号	C22B7/00;F27B14/00;F27B17/00	主分类号	C22B7/00
代理机构		代理人
主权项
地址

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