IMPROVEMENTS IN OR RELATING TO ELECTROMECHANICAL FILTERS,申请号GB19690047177-传众专利搜索

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发明名称	IMPROVEMENTS IN OR RELATING TO ELECTROMECHANICAL FILTERS
摘要
申请公布号	GB1219066(A)	申请公布日期	1971.01.13
申请号	GB19690047177	申请日期	1969.09.25
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人
分类号	H03H9/05;H03H9/50	主分类号	H03H9/05
代理机构		代理人
主权项
地址

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