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发明名称
Speedometer
摘要
申请公布号
US2073153(A)
申请公布日期
1937.03.09
申请号
US19350022711
申请日期
1935.05.22
申请人
GENERAL MOTORS CORPORATION
发明人
HELGEBY RALPH O.
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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