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经营范围
发明名称
FREQUENCY INDICATORS
摘要
申请公布号
GB1584456(A)
申请公布日期
1981.02.11
申请号
GB19770016281
申请日期
1978.05.16
申请人
BRITISH AIRCRAFT CORP LTD
发明人
分类号
G01R23/02;(IPC1-7):G01R23/02
主分类号
G01R23/02
代理机构
代理人
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地址
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