Etching,申请号US19510210614-传众专利搜索

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发明名称	Etching
摘要
申请公布号	US2640763(A)	申请公布日期	1953.06.02
申请号	US19510210614	申请日期	1951.02.12
申请人	THE DOW CHEMICAL COMPANY	发明人	EASLEY JOHN A.;SWAYZE HARRY E.
分类号	C23F1/16	主分类号	C23F1/16
代理机构		代理人
主权项
地址

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