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发明名称
Improvements relating to apparatus for time measurement
摘要
申请公布号
GB590741(A)
申请公布日期
1947.07.28
申请号
GB19450004805
申请日期
1945.02.26
申请人
HILLYARD THOMAS STOTT
发明人
分类号
G04C3/027
主分类号
G04C3/027
代理机构
代理人
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