00513nam a22001697a 4500 230315b |||||||| |||| 00| 0 eng d 0-408-70368-7 National Science Library National Science Library D 03(026):608 L2 Mainly on patents: The use of industrial property and its literature London: Butterworths: 1972 210p. Patents Industrial Property Liebeseny, F (Ed.) udc BK 9256 9256 0 0 0 D_03026608_L2 0 13738 NSL NSL GF/Rk-3/C-2/R-5 1975-03-10 0 D 03(026):608 L2 64580 2023-03-15 00:00:00 2023-03-15 BK