Dispositif d'éclairage à lampe à incandescence avec protection contre le grisou,申请号FRD703008-传众专利搜索

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发明名称	Dispositif d'éclairage à lampe à incandescence avec protection contre le grisou
摘要
申请公布号	FR703008(A)	申请公布日期	1931.04.22
申请号	FRD703008	申请日期	1930.09.25
申请人	SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT	发明人
分类号	E21F9/00;F21V25/02	主分类号	E21F9/00
代理机构		代理人
主权项
地址

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