| P | Body frames, structural, metal, for railway carriages |
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| P | Underframes (frames) for railway carriages and wagons |
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| P | Bogies, rolling stock |
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| P | Bogie bearings and swivels, rolling stock |
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| P | Axles, rolling stock |
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| P | Crank axles, crankshafts, railway |
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| P | Axle boxes and bearings, railway |
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| P | Wheels and tyres, rolling stock |
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| P | Wheel centres, rolling stock |
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| P | Railway braking equipment, electromagnetic, track |
|---|
| P | Railway braking equipment, hydraulic |
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| P | Railway braking equipment, electro-pneumatic |
|---|
| P | Railway braking equipment, pneumatic, compressed air |
|---|
| P | Railway braking equipment, pneumatic, vacuum |
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| P | Railway braking equipment, disc |
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| P | Railway braking equipment, hand |
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| P | Slack adjusters, railway brake |
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| P | Brake shoes and pads, railway |
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| P | Band brakes for rack railways |
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| P | Transmissions and transmission components, rolling stock |
|---|
| P | Suspensions, rolling stock |
|---|
| P | Shock absorbers, rolling stock |
|---|
| P | Instruments and accessories for standard gauge railways and tramways |
|---|
| P | Couplings, braking system, rolling stock |
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| P | Couplings, heating system, rolling stock |
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| P | Coupling systems for railway carriages |
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| P | Connecting hoses and couplings, rolling stock |
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| P | Buffers, hydraulic, rolling stock |
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| P | Buffers, spring, rolling stock |
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| P | Valves, rolling stock |
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| P | Drivers cabs/cabins, rolling stock |
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| P | Locomotive boilers |
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| P | Locomotive boiler components and accessories |
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