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经营范围
发明名称
FREQUENCY DETECTION CIRCUIT
摘要
申请公布号
JPS5269517(A)
申请公布日期
1977.06.09
申请号
JP19750145938
申请日期
1975.12.09
申请人
SONY CORP
发明人
YAMASHITA AKIYUKI
分类号
G01R23/15;G01P3/489;G11B5/027;G11B20/02;H02H3/46;H04N5/78;H04N17/06
主分类号
G01R23/15
代理机构
代理人
主权项
地址
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