Khain, A. (Inventor), Feldman, Y. (Inventor),
Pinsky, M. (Inventor), Arkhipov, V. (Inventor), Ryabov, Y. (Inventor) &
Puzenko, A. (Inventor),
31 Jul 2003, IPC No. E01H 13/ 00 A I, Patent No. WO03061370, Priority date
25 Dec 2001, Priority No. IL20010147287
Research output: Patent