Lampe à incandescence comportant un corps incandescent très resserré ou concentré,申请号FRD689210-传众专利搜索

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发明名称	Lampe à incandescence comportant un corps incandescent très resserré ou concentré
摘要
申请公布号	FR689210(A)	申请公布日期	1930.09.03
申请号	FRD689210	申请日期	1930.01.31
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01K1/66	主分类号	H01K1/66
代理机构		代理人
主权项
地址

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