B61F

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Description

RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES, ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING; WHEELS GUARDS; OBSTRUCTION REMOVERS OR THE LIKE (for vehicles in general B60; axles, wheelsB60B; vehicle tyres B60C)

Subclasses

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Subclass Title
1/00 Underframes (making railway vehicle underframes by forging or pressing B21K 7/12)
1/02 Underframes (making railway vehicle underframes by forging or pressing B21K 7/12) with a single central sill
1/04 Underframes (making railway vehicle underframes by forging or pressing B21K 7/12) of triangulated type
1/06 Underframes (making railway vehicle underframes by forging or pressing B21K 7/12) specially adapted for locomotives or motor-driven railcars
1/08 Underframes (making railway vehicle underframes by forging or pressing B21K 7/12) Details

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