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发明名称
Electromagnetic clock winding mechanism
摘要
申请公布号
US2442395(A)
申请公布日期
1948.06.01
申请号
US19440560738
申请日期
1944.10.28
申请人
BRAMLEY SYLVANUS W
发明人
BRAMLEY SYLVANUS W.
分类号
G04C1/06
主分类号
G04C1/06
代理机构
代理人
主权项
地址
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