TUNING FORK WITH FREQUENCY ADJUSTMENT,申请号USD3506897-传众专利搜索

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发明名称	TUNING FORK WITH FREQUENCY ADJUSTMENT
摘要
申请公布号	US3506897(A)	申请公布日期	1970.04.14
申请号	USD3506897	申请日期	1967.06.26
申请人	CECIL FRANK CLIFFORD	发明人	CECIL FRANK CLIFFORD
分类号	G04C3/10;H02K33/06;H03H3/013	主分类号	G04C3/10
代理机构		代理人
主权项
地址

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