摘要 |
The present invention is in the field of improving attractiveness of a route, such as passageway system, such as tunnel, a narrow street with walls or buildings on both sides, and the like, and a cycle track. A tunnel may be for pedestrians or cyclists, for general road traffic, for motor vehicles only, for rail traffic. |
申请人 |
STALLEN, PETRUS, JOHANNES, MARIA |
发明人 |
STALLEN, PETRUS, JOHANNES, MARIA |