Improvements in or relating to electrical filters,申请号GB19320026686-传众专利搜索

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发明名称	Improvements in or relating to electrical filters
摘要
申请公布号	GB400404(A)	申请公布日期	1933.10.26
申请号	GB19320026686	申请日期	1932.09.26
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY, LIMITED	发明人
分类号	H03C1/52	主分类号	H03C1/52
代理机构		代理人
主权项
地址

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