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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E01C11/02
Arrangement or construction of joints; Methods of making joints; Packing for joints
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E01C11/04
for cement concrete paving
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E01C11/06
Methods of making joints
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