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发明名称
Automatic clock setting mechanism
摘要
申请公布号
US1997979(A)
申请公布日期
1935.04.16
申请号
US19300452112
申请日期
1930.05.13
申请人
发明人
SMITH JOSEPH BRODIE
分类号
G04C11/02
主分类号
G04C11/02
代理机构
代理人
主权项
地址
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