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发明名称
Clock
摘要
A clock in the form of a traffic light, with time designations shown in the red, amber and green lenses. The time designations include the day of the week, hour of the day, and month and date.
申请公布号
US4845689(A)
申请公布日期
1989.07.04
申请号
US19880177190
申请日期
1988.04.04
申请人
VOLE, MICHAEL
发明人
VOLE, MICHAEL
分类号
G04G17/02
主分类号
G04G17/02
代理机构
代理人
主权项
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