TREATMENT OF USED CHROMIC ACID ETCHING SOLUTIONS BY EXTRACTION WITH ACETONE,申请号USD3531262-传众专利搜索

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发明名称	TREATMENT OF USED CHROMIC ACID ETCHING SOLUTIONS BY EXTRACTION WITH ACETONE
摘要
申请公布号	US3531262(A)	申请公布日期	1970.09.29
申请号	USD3531262	申请日期	1968.02.23
申请人	CONTROL DATA CORP.	发明人	ROBERT R. DOUGHERTY
分类号	C01G37/00;C23F1/46;(IPC1-7):B01D11/04;C01G37/12;C01G37/14	主分类号	C01G37/00
代理机构		代理人
主权项
地址

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