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Patents for B61F 9 - Rail vehicles characterised by means for preventing derailing, e.g. by use of guide wheels (409) |
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07/12/1977 | US4034680 Dual-mode bus | 06/21/1977 | US4030422 Switching system for guided vehicles | 06/07/1977 | US4027596 Rapid transit system | 05/17/1977 | US4023503 Conveying installation | 04/19/1977 | US4018410 Method for the optimized transportation of passengers or objects | 12/21/1976 | US3998166 Multi-rail system and method of installation | 12/07/1976 | US3995560 Rail obstruction sensing means for a rail transportation system | 11/30/1976 | US3994459 Railway vehicle derailment detection system | 03/02/1976 | US3941062 Electromagnetic system for transversely aligning railway rolling stock on rails |
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