Interrupteur de sûreté pour lampes électriques de mines,申请号FRD727947-传众专利搜索

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发明名称	Interrupteur de sûreté pour lampes électriques de mines
摘要
申请公布号	FR727947(A)	申请公布日期	1932.06.27
申请号	FRD727947	申请日期	1931.12.07
申请人	"CONCORDIA" ELEKTRIZITATS-AKTIENGESELLSCHAFT	发明人
分类号	F21L4/00;F21V25/02	主分类号	F21L4/00
代理机构		代理人
主权项
地址

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