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发明名称
Time and weather indicator
摘要
申请公布号
US2763122(A)
申请公布日期
1956.09.18
申请号
US19550503412
申请日期
1955.04.25
申请人
HAYES JOHN M
发明人
HAYES JOHN M.
分类号
G04B47/00;G04B47/06
主分类号
G04B47/00
代理机构
代理人
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地址
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