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发明名称
International standard time indicating device
摘要
申请公布号
US3115002(A)
申请公布日期
1963.12.24
申请号
US19620187557
申请日期
1962.04.16
申请人
BERESFORD PETER A
发明人
BERESFORD PETER A.
分类号
G04B19/22
主分类号
G04B19/22
代理机构
代理人
主权项
地址
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