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发明名称
Electrically-wound clock
摘要
申请公布号
US1787697(A)
申请公布日期
1931.01.06
申请号
US19260139254
申请日期
1926.10.04
申请人
SANGAMO ELECTRIC COMPANY
发明人
WILMETH ROSCOE H.
分类号
G04C1/12
主分类号
G04C1/12
代理机构
代理人
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地址
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