Dispositif d'entraînement et de guidage de rubans minces,申请号FRD921939-传众专利搜索

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发明名称	Dispositif d'entraînement et de guidage de rubans minces
摘要
申请公布号	FR921939(A)	申请公布日期	1947.05.22
申请号	FRD921939	申请日期	1946.02.09
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	G03B1/42	主分类号	G03B1/42
代理机构		代理人
主权项
地址

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