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发明名称
Timing mechanism
摘要
申请公布号
US2253929(A)
申请公布日期
1941.08.26
申请号
US19380210363
申请日期
1938.05.27
申请人
GENERAL TIME INSTRUMENTS CORPORATION
发明人
CAMPBELL ARTHUR B.
分类号
G04C23/16
主分类号
G04C23/16
代理机构
代理人
主权项
地址
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