Hits 11-20 within 53 documents
Patentrecht und technischer Fortschritt [collection article]
Source: Westdt. Verl., 1987
Hits 11-20 within 53 documents
Author(s): Gerth, Werner.- 1987. 21p.
Author(s): Spitzky, Norbert.- 1987. 31p.
Author(s): Mehlhorn, Hans-Georg.- 1983. 74p.
Author(s): Kasek, Leonhard; Rochlitz, Manfred.- 1986. 20p.
Author(s): Johne, F.; Kasek, Leonhard; Rochlitz, Manfred.- 1987. 38p.
Author(s): Hoffmann, A.; Mehlhorn, Hans-Georg.- 1985. 75p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1980. 24p.
Author(s): Hilken, Arnold
Source: Westdt. Verl., 1987
Author(s): Mehlhorn, Hans-Georg.- 1985. 31p.