Electric wave filters,申请号GB19370029978-传众专利搜索

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发明名称	Electric wave filters
摘要
申请公布号	GB488978(A)	申请公布日期	1938.07.18
申请号	GB19370029978	申请日期	1937.11.02
申请人	C. LORENZ AKTIENGESELLSCHAFT	发明人
分类号	H03H1/00;H04H20/81	主分类号	H03H1/00
代理机构		代理人
主权项
地址

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