Electric wave filter,申请号US19370173552-传众专利搜索

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发明名称	Electric wave filter
摘要
申请公布号	US2176211(A)	申请公布日期	1939.10.17
申请号	US19370173552	申请日期	1937.11.09
申请人	ELECTRIC & MUSICAL INDUSTRIES LIMITED	发明人	CORK EDWARD CECIL;PAWSEY JOSEPH LADE
分类号	H03H1/00	主分类号	H03H1/00
代理机构		代理人
主权项
地址

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