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Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B62
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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B62D
MOTOR VEHICLES; TRAILERS
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53/00
Tractor-trailer combinations; Road trains
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B62D53/04
comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle
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B62D53/06
Semi-trailers
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B62D53/067
Multi-purpose, convertible or extendable load surface semi-trailers
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