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经营范围
发明名称
HOROLOGICAL HAIRSPRING DEVICE
摘要
申请公布号
US3517503(A)
申请公布日期
1970.06.30
申请号
USD3517503
申请日期
1969.05.23
申请人
TIMEX CORP.
发明人
FREDERIC H. SMYTHE JR.;EDWARD KAULINS
分类号
G04B18/02;(IPC1-7):G04B17/14
主分类号
G04B18/02
代理机构
代理人
主权项
地址
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