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发明名称
Speed-indicating device
摘要
申请公布号
US1962538(A)
申请公布日期
1934.06.12
申请号
US19320596140
申请日期
1932.03.01
申请人
WALTHAM WATCH COMPANY
发明人
TONEY GEORGE W.
分类号
G01P3/495
主分类号
G01P3/495
代理机构
代理人
主权项
地址
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