Method of making nonferrous articles,申请号US19390289453-传众专利搜索

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发明名称	Method of making nonferrous articles
摘要
申请公布号	US2255572(A)	申请公布日期	1941.09.09
申请号	US19390289453	申请日期	1939.08.10
申请人	THE CLEVELAND GRAPHITE BRONZE COMPANY	发明人	SCHWARTZ DONALD L. V.
分类号	B21B3/00	主分类号	B21B3/00
代理机构		代理人
主权项
地址

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