Patent classifications
E
FIXED CONSTRUCTIONS
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E01
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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E01F
ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
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1/00
Construction of; station or like; platforms or refuge islands; or like islands in traffic areas, e.g. intersection or filling-station islands; ; Kerbs specially adapted for islands in traffic areas
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