Method of removing hard spots from aluminum-silicon alloys,申请号US19290381085-传众专利搜索

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发明名称	Method of removing hard spots from aluminum-silicon alloys
摘要
申请公布号	US1908300(A)	申请公布日期	1933.05.09
申请号	US19290381085	申请日期	1929.07.25
申请人	ALUMINUM COMPANY OF AMERICA	发明人	ARCHER ROBERT S.
分类号	C22C21/02	主分类号	C22C21/02
代理机构		代理人
主权项
地址

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