Patent classifications
E
FIXED CONSTRUCTIONS
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E01
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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E01C
CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
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23/00
Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
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E01C23/14
for heating or drying foundation, paving, or materials thereon, e.g. paint
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