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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8/00
Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
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E01F8/0005
used in a wall type arrangement
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E01F8/0023
Details, e.g. foundations
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