Einrichtung zum elektrischen Heizen von Praegewalzen fuer Linsenrasterfilme,申请号DE1931S100337D-传众专利搜索

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发明名称	Einrichtung zum elektrischen Heizen von Praegewalzen fuer Linsenrasterfilme
摘要
申请公布号	DE641872(C)	申请公布日期	1937.02.16
申请号	DE1931S100337D	申请日期	1931.08.09
申请人	OPTICOLOR AKT.-GES.	发明人	ARNI DIPL.-ING. HANS RUDOLF
分类号	G03B21/32;G03D13/00	主分类号	G03B21/32
代理机构		代理人
主权项
地址

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