Устройство для преобразования частот,申请号SU19550451721-传众专利搜索

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发明名称	Устройство для преобразования частот
摘要
申请公布号	SU102614(A1)	申请公布日期	1955.11.30
申请号	SU19550451721	申请日期	1955.04.28
申请人	CHETYRKIN I.V.	发明人	CHETYRKIN I.V.
分类号	H03B21/02	主分类号	H03B21/02
代理机构		代理人
主权项
地址

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