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发明名称
Timing device
摘要
申请公布号
US2372757(A)
申请公布日期
1945.04.03
申请号
US19410423609
申请日期
1941.12.19
申请人
HAMILTON WATCH COMPANY
发明人
JR. WILLIAM OGLE BENNETT,
分类号
G04D7/12
主分类号
G04D7/12
代理机构
代理人
主权项
地址
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