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发明名称
STATIC FREQUENCY METER
摘要
申请公布号
US3525938(A)
申请公布日期
1970.08.25
申请号
USD3525938
申请日期
1966.10.31
申请人
WESTINGHOUSE ELECTRIC CORP.
发明人
UEL L. SMITH
分类号
G01R23/02;G01R23/09;(IPC1-7):G01R23/02
主分类号
G01R23/02
代理机构
代理人
主权项
地址
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