Durch veraenderlichen Strom, z. B. Wechselstrom, beheizte Gluehkathoden-Verstaerkerroehre,申请号DE1927M111028D-传众专利搜索

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发明名称	Durch veraenderlichen Strom, z. B. Wechselstrom, beheizte Gluehkathoden-Verstaerkerroehre
摘要
申请公布号	DE581308(C)	申请公布日期	1933.07.25
申请号	DE1927M111028D	申请日期	1927.06.02
申请人	BENJAMIN F. MIESSNER	发明人
分类号	H01J1/15	主分类号	H01J1/15
代理机构		代理人
主权项
地址

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