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发明名称
Synchronous clock having means for storing and releasing energy
摘要
申请公布号
US1907919(A)
申请公布日期
1933.05.09
申请号
US19300421688
申请日期
1930.01.18
申请人
THE NEW HAVEN CLOCK CO.
发明人
WHITEHEAD RICHARD H.;PORTER WILSON E.
分类号
G04C1/06
主分类号
G04C1/06
代理机构
代理人
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地址
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