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发明名称
Universal time indicating clock
摘要
申请公布号
US2078345(A)
申请公布日期
1937.04.27
申请号
US19360076275
申请日期
1936.04.24
申请人
ROBERTSON THOMAS L
发明人
ROBERTSON THOMAS L.
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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