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Application filed by Jan Eric OhlzonfiledCriticalJan Eric Ohlzon
Priority to SE9901047ApriorityCriticalpatent/SE9901047L/sv
Publication of SE9901047D0publicationCriticalpatent/SE9901047D0/sv
Publication of SE9901047LpublicationCriticalpatent/SE9901047L/sv
E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
E01F8/02—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic specially adapted for sustaining vegetation or for accommodating plants ; Embankment-type or crib-type noise barriers; Retaining walls specially adapted to absorb or reflect noise