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发明名称
APPARATUS FOR VISIBLY INDICATING TIME
摘要
申请公布号
GB1515932(A)
申请公布日期
1978.06.28
申请号
GB19750002460
申请日期
1975.01.20
申请人
SEARLE R
发明人
分类号
G04B19/34;G04G9/06;(IPC1-7):G04B19/34
主分类号
G04B19/34
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代理人
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