Mode de construction d'électrodes pour lampes électroniques comportant un <<pied>> avec tube métallique soudé par écrasement,申请号FRD756830-传众专利搜索

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发明名称	Mode de construction d'électrodes pour lampes électroniques comportant un <<pied>> avec tube métallique soudé par écrasement
摘要
申请公布号	FR756830(A)	申请公布日期	1933.12.15
申请号	FRD756830	申请日期	1933.06.13
申请人	TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.	发明人
分类号	H01J19/50;H01J19/62	主分类号	H01J19/50
代理机构		代理人
主权项
地址

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