Process of colouration of ferrous metals,申请号GB19310023223-传众专利搜索

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发明名称	Process of colouration of ferrous metals
摘要
申请公布号	GB392890(A)	申请公布日期	1933.05.25
申请号	GB19310023223	申请日期	1931.08.18
申请人	WALDBERG SOCIETE ANONYME	发明人
分类号	C23C22/62	主分类号	C23C22/62
代理机构		代理人
主权项
地址

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