Improvements in or relating to band-pass filters,申请号GB19530016865-传众专利搜索

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发明名称	Improvements in or relating to band-pass filters
摘要
申请公布号	GB750418(A)	申请公布日期	1956.06.13
申请号	GB19530016865	申请日期	1953.06.18
申请人	PATELHOLD PATENTVERWERTUNGS- & ELEKTRO-HOLDING A.G.	发明人
分类号	H01P1/202	主分类号	H01P1/202
代理机构		代理人
主权项
地址

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