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发明名称
Automatic speed-signaling and speedcontrolling system for automobiles and other vehicles
摘要
申请公布号
US2594739(A)
申请公布日期
1952.04.29
申请号
US19510208706
申请日期
1951.01.31
申请人
SPICER DAVIS HENRY
发明人
DAVIS HENRY SPICER
分类号
G01P1/10
主分类号
G01P1/10
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