Filmspule mit vollem Spulenkern,申请号DE1940I068049D-传众专利搜索

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发明名称	Filmspule mit vollem Spulenkern
摘要
申请公布号	DE728251(C)	申请公布日期	1942.11.23
申请号	DE1940I068049D	申请日期	1940.10.18
申请人	I.G. FARBENINDUSTRIE AG.	发明人	HELLMIG DR. ERHARD
分类号	G03B17/30	主分类号	G03B17/30
代理机构		代理人
主权项
地址

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