首页>
外国专利>
Combined revolution counter and fuel economy calculator for heavy goods vehicle, has display formed by lit fields, with middle field indicating economic driving and forming plateau
Combined revolution counter and fuel economy calculator for heavy goods vehicle, has display formed by lit fields, with middle field indicating economic driving and forming plateau
The calculator (1) comprises an instrument with several lit fields (2-4) of different sizes. The middle field (3) indicates economic driving and forms a plateau, and the other fields (2, 4) slope towards this plateau.
展开▼