Mechanical frequency filter,申请号GB19570034157-传众专利搜索

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发明名称	Mechanical frequency filter
摘要
申请公布号	GB842756(A)	申请公布日期	1960.07.27
申请号	GB19570034157	申请日期	1957.11.01
申请人	TELEFUNKEN, G.M.B.H.	发明人
分类号	H03H9/50	主分类号	H03H9/50
代理机构		代理人
主权项
地址

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