| 摘要 |
FIELD: entertainment equipment, in particular, attractions using vehicles such as motorcycles. SUBSTANCE: attraction has annular inclined track, vertical cylindrical wall surrounding peripheral surface of annular track, floor, interconnected girders with floor for spectators' places and stair leading to floor. Vertical cylindrical wall, floor and girders are mounted on support and incline annular track is disposed on floor. EFFECT: increased amusing effect and simplified construction. 5 cl, 2 dwgr
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