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发明名称
TIME INDICATING DEVICES
摘要
申请公布号
GB1581746(A)
申请公布日期
1980.12.17
申请号
GB19760013594
申请日期
1976.04.03
申请人
SHARP-PETRASZ LTD
发明人
分类号
G04B19/26;(IPC1-7):G04B19/26
主分类号
G04B19/26
代理机构
代理人
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