Электрический полосовой фильтр,申请号SU19520446802-传众专利搜索

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法人/股东/高管

发明名称	Электрический полосовой фильтр
摘要
申请公布号	SU97113(A1)	申请公布日期	1953.11.30
申请号	SU19520446802	申请日期	1952.05.10
申请人	VINOGRADOV D.N.	发明人	VINOGRADOV D.N.
分类号	H03H7/01	主分类号	H03H7/01
代理机构		代理人
主权项
地址

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