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Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B61
RAILWAYS
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B61D
BODY DETAILS OR KINDS OF RAILWAY VEHICLES
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3/00
Wagons or vans
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B61D3/16
adapted for carrying special loads
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B61D3/18
for vehicles
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B61D3/182
specially adapted for heavy vehicles, e.g. public work vehicles, trucks, trailers
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