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发明名称
FREQUENCY DETECTION METHOD
摘要
申请公布号
JPS53172(A)
申请公布日期
1978.01.05
申请号
JP19760073266
申请日期
1976.06.23
申请人
HITACHI LTD
发明人
MIYAZAKI TERUNOBU;SEO KAZUO;MIKI YOSHITERU;MAKINO JIYUNICHI;GOTOU MASUO
分类号
G01R23/02;H02H3/46
主分类号
G01R23/02
代理机构
代理人
主权项
地址
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