MECHANICAL WAVE FILTER,申请号CAD423465-传众专利搜索

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发明名称	MECHANICAL WAVE FILTER
摘要
申请公布号	CA423465(A)	申请公布日期	1944.10.24
申请号	CAD423465	申请日期
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED;BELL TELEPHONE LABORATORIES	发明人	ROGER ALLEN SYKES
分类号		主分类号
代理机构		代理人
主权项
地址

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