| B | SK | PERFORMING OPERATIONS; TRANSPORTING |
| B61 | KL | RAILWAYS |
| B61B | UKL | RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR (lifts or hoists, elevators, escalators, moving walkways B66B) [4] |
| B61B 1/00 | HGR | General arrangement of stations, platforms, or sidings; Railway networks; Rail-vehicle marshalling systems (shunting humps or shunting devices B61J; construction of platforms E01F 1/00; time-tables G09D) [1, 2006.01] |
| B61B 1/02 | UGR1 | | . | General arrangement of stations and platforms including protection devices for the passengers [1, 2006.01] |
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| B61B 3/00 | HGR | Elevated railway systems with suspended vehicles (with suspended flexible tracks B61B 7/00; saddle or like balanced type with monorail B61B 13/06; with propelling cables and for transporting materials B65G; tracks therefor E01B 25/00) [1, 2006.01] |
| B61B 3/02 | UGR1 | | . | with self-propelled vehicles [1, 2006.01] |
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| B61B 5/00 | HGR | Elevated railway systems without suspended vehicles (with monorail B61B 13/04; tracks therefor E01B 25/00) [1, 2006.01] |
| B61B 5/02 | UGR1 | | . | with two or more rails [1, 2006.01] |
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| B61B 7/00 | HGR | Rope railway systems with suspended flexible tracks [1, 2006.01] |
| B61B 7/02 | UGR1 | | . | with separate haulage cables [1, 2006.01] |
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| B61B 7/04 | UGR1 | | . | with suspended tracks serving as haulage cables [1, 2006.01] |
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| B61B 7/06 | UGR1 | | . | with self-propelled vehicles [1, 2006.01] |
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| B61B 9/00 | HGR | Tramway or funicular systems with rigid track and cable traction (haulage clips B61B 12/12; shunting devices with cable traction B61J) [1, 2, 2006.01] |
| B61B 10/00 | HGR | Power-and-free systems (ski-lift, sleigh-lift or like trackless systems with guided towing cables only B61B 11/00) [2, 2006.01] |
| B61B 10/02 | UGR1 | | . | with suspended vehicles [2, 2006.01] |
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| B61B 10/04 | UGR1 | | . | with vehicles rolling trackless on the ground [2, 2006.01] |
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| B61B 11/00 | HGR | Ski-lift, sleigh-lift or like trackless systems with guided towing cables only [1, 2006.01] |
| B61B 12/00 | HGR | Component parts, details, or accessories for rope railways or power-and-free systems not provided for in groups B61B 7/00-B61B 11/00 (railway brakes B61H; turntables B61J 1/06) [2, 2006.01] |
| B61B 12/02 | UGR1 | | . | Suspension of the load; Guiding means, e.g. wheels; Attaching traction cables [2, 2006.01] |
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| B61B 12/04 | UGR1 | | . | Devices for damping vibrations [2, 2006.01] |
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| B61B 12/06 | UGR1 | | . | Safety devices or measures against cable fracture [2, 2006.01] |
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| B61B 12/08 | UGR1 | | . | Cable lubrication [2, 2006.01] |
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| B61B 12/10 | UGR1 | | . | Cable traction drives [2, 2006.01] |
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| B61B 12/12 | UGR1 | | . | Cable grippers; Haulage clips [2, 2006.01] |
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| B61B 13/00 | HGR | Other railway systems [1, 2006.01] |
| B61B 13/02 | UGR1 | | . | Rack railways [1, 2006.01] |
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| B61B 13/04 | UGR1 | | . | Monorail systems [1, 2006.01] |
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| B61B 13/06 | UGR2 | | . . | Saddle or like balanced type [1, 2006.01] |
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| B61B 13/08 | UGR1 | | . | Sliding or levitation systems (magnetic suspension or levitation for vehicles, per seB60L 13/04; vehicles with air cushions between rails and vehicles B60V 3/04) [1, 4, 2006.01] |
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| B61B 13/10 | UGR1 | | . | Tunnel systems (pneumatic tube conveyors B65G) [1, 2006.01] |
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| B61B 13/12 | UGR1 | | . | Systems with propulsion devices between or alongside the rails, e.g. pneumatic systems (cable traction B61B 9/00; car-shunting devices B61J) [1, 2006.01] |
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| B61B 15/00 | HGR | Combinations of railway systems [1, 2006.01] |