Frequency selective circuit and control apparatus including such circuit,申请号GB19660021621-传众专利搜索

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发明名称	Frequency selective circuit and control apparatus including such circuit
摘要
申请公布号	GB1087127(A)	申请公布日期	1967.10.11
申请号	GB19660021621	申请日期	1966.05.16
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人
分类号	H04M11/10	主分类号	H04M11/10
代理机构		代理人
主权项
地址

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