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发明名称
Electric balance clock
摘要
申请公布号
US2459930(A)
申请公布日期
1949.01.25
申请号
US19440544190
申请日期
1944.07.10
申请人
THE GEORGE W. BORG CORPORATION
发明人
FINK JEAN
分类号
G04C3/06
主分类号
G04C3/06
代理机构
代理人
主权项
地址
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