Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B60
VEHICLES IN GENERAL
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B60B
VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
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B60B39/02
Vehicle fittings for scattering or dispensing material in front of its wheels
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B60B39/04
the material being granular, e.g. sand
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B60B39/10
the dispensing being controlled electrically or electromagnetically
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