Tube à décharge à fond plat en verre,申请号FRD939439-传众专利搜索

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发明名称	Tube à décharge à fond plat en verre
摘要
申请公布号	FR939439(A)	申请公布日期	1948.11.15
申请号	FRD939439	申请日期	1946.12.13
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01J5/50	主分类号	H01J5/50
代理机构		代理人
主权项
地址

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