CH606631A5CH211777ACH211777ACH606631A5CH 606631 A5CH606631 A5CH 606631A5CH 211777 ACH211777 ACH 211777ACH 211777 ACH211777 ACH 211777ACH 606631 A5CH606631 A5CH 606631A5
Authority
CH
Switzerland
Application number
CH211777A
Inventor
Jean-Pierre Turpin
Original Assignee
Arbel Industrie
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arbel IndustriefiledCriticalArbel Industrie
Publication of CH606631A5publicationCriticalpatent/CH606631A5/xx
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
E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
E01F8/0035—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with undulated surfaces
