Glühkathode.,申请号CHD139306-传众专利搜索

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发明名称	Glühkathode.
摘要
申请公布号	CH139306(A)	申请公布日期	1930.04.15
申请号	CHD139306	申请日期	1929.02.18
申请人	SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT	发明人	AKTIENGESELLSCHAFT SIEMENS-SCHUCKERTWERKE
分类号		主分类号
代理机构		代理人
主权项
地址

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