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发明名称
Clock synchronizing device
摘要
申请公布号
US2241447(A)
申请公布日期
1941.05.13
申请号
US19380232065
申请日期
1938.09.28
申请人
THE WESTERN UNION TELEGRAPH COMPANY
发明人
DEMONET EUGENE A.
分类号
G04B27/00
主分类号
G04B27/00
代理机构
代理人
主权项
地址
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