Ingot mold cleaner,申请号US19460665651-传众专利搜索

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发明名称	Ingot mold cleaner
摘要
申请公布号	US2469148(A)	申请公布日期	1949.05.03
申请号	US19460665651	申请日期	1946.04.29
申请人	BIVENS GEORGE H	发明人	BIVENS GEORGE H.
分类号	B22C23/02	主分类号	B22C23/02
代理机构		代理人
主权项
地址

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