ELEKTRONENROEHRE MIT ZUSAETZLICHER METALLUMHUELLUNG.,申请号DE195100S3227U-传众专利搜索

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发明名称	ELEKTRONENROEHRE MIT ZUSAETZLICHER METALLUMHUELLUNG.
摘要
申请公布号	DE1717814(U)	申请公布日期	1956.03.01
申请号	DE195100S3227U	申请日期	1951.03.08
申请人	SIEMENS & HALSKE AKTIENGESELLSCHAFT	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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