Production of black oxide films on aluminum,申请号US19540412630-传众专利搜索

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发明名称	Production of black oxide films on aluminum
摘要
申请公布号	US2681873(A)	申请公布日期	1954.06.22
申请号	US19540412630	申请日期	1954.02.25
申请人	DENISTON GEORGE L	发明人	DENISTON GEORGE L.
分类号	C23C22/24	主分类号	C23C22/24
代理机构		代理人
主权项
地址

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