Wandlampe fuer photographische Dunkelkammern,申请号DED535123D-传众专利搜索

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发明名称	Wandlampe fuer photographische Dunkelkammern
摘要
申请公布号	DE535123(C)	申请公布日期	1931.10.06
申请号	DED535123D	申请日期	1930.06.01
申请人	FIRMA HEINRICH FEITZINGER	发明人
分类号	G03D17/00	主分类号	G03D17/00
代理机构		代理人
主权项
地址

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