Lampe au magnésium pour applications photographiques,申请号FRD709072-传众专利搜索

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发明名称	Lampe au magnésium pour applications photographiques
摘要
申请公布号	FR709072(A)	申请公布日期	1931.08.03
申请号	FRD709072	申请日期	1931.01.09
申请人		发明人	BORTH WALTER
分类号	F21K5/00	主分类号	F21K5/00
代理机构		代理人
主权项
地址

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