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发明名称
Electric clock
摘要
申请公布号
US3043090(A)
申请公布日期
1962.07.10
申请号
US19590831281
申请日期
1959.08.03
申请人
SUNDT EDWARD V
发明人
SUNDT EDWARD V.
分类号
G04B27/00;G04B37/06;G04C15/00
主分类号
G04B27/00
代理机构
代理人
主权项
地址
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