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经营范围
发明名称
MEASUREMENT OF FREQUENCY OR PERIOD OF A SIGNAL
摘要
申请公布号
GB2093651(B)
申请公布日期
1984.10.10
申请号
GB19820003499
申请日期
1982.02.08
申请人
NATIONAL RESEARCH DEVELOPMENT CORP
发明人
分类号
G01R23/14;(IPC1-7):G01R23/14
主分类号
G01R23/14
代理机构
代理人
主权项
地址
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