Improvements relating to attenuators for electric waves,申请号GB19450015184-传众专利搜索

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发明名称	Improvements relating to attenuators for electric waves
摘要
申请公布号	GB606891(A)	申请公布日期	1948.08.23
申请号	GB19450015184	申请日期	1945.06.14
申请人	POLYTECHNIC INSTITUTE OF BROOKLYN	发明人
分类号	H01P1/22	主分类号	H01P1/22
代理机构		代理人
主权项
地址

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