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发明名称
Vehicle travel grade indicator (VTGI)
摘要
Vehicle Travel Grade Indicator (VTGI) is an instrument that is designed to measure and show the slope/grade of a road/terrain through a visible display of a vehicle to the driver of that vehicle.
申请公布号
US2008295350(A1)
申请公布日期
2008.12.04
申请号
US20070807364
申请日期
2007.05.29
申请人
KHASHAEI SEPEHR
发明人
KHASHAEI SEPEHR
分类号
G01C9/00
主分类号
G01C9/00
代理机构
代理人
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地址
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