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经营范围
发明名称
FREQUENCY MONITORING CIRCUIT
摘要
申请公布号
GB2013435(A)
申请公布日期
1979.08.08
申请号
GB19790003122
申请日期
1979.01.30
申请人
SPERRY RAND CORP
发明人
分类号
G01R23/10;G01R23/02;(IPC1-7):G01R23/10
主分类号
G01R23/10
代理机构
代理人
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地址
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