Improvements in or relating to a photographic process for producing written characters or representations or a surface coloration, on aluminium and aluminium alloys,申请号GB19340004633-传众专利搜索

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发明名称	Improvements in or relating to a photographic process for producing written characters or representations or a surface coloration, on aluminium and aluminium alloys
摘要
申请公布号	GB432984(A)	申请公布日期	1935.08.07
申请号	GB19340004633	申请日期	1934.02.12
申请人	SIEMENS & HALSKE AKTIENGESELLSCHAFT	发明人
分类号	G03C1/77	主分类号	G03C1/77
代理机构		代理人
主权项
地址

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