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发明名称
Speed indicating device
摘要
申请公布号
US2090087(A)
申请公布日期
1937.08.17
申请号
US19360082273
申请日期
1936.05.28
申请人
WERDER JOHN F
发明人
WERDER JOHN F.
分类号
G01P3/46
主分类号
G01P3/46
代理机构
代理人
主权项
地址
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