Ten Years of substance protection for intermediate chemical products following the nordic model :
Assarsson, Lars-Olaf
Ten Years of substance protection for intermediate chemical products following the nordic model : a report from Sweden
Stoffschutz
Schweden
Chemische Erfindung
Ten Years of substance protection for intermediate chemical products following the nordic model : a report from Sweden
Stoffschutz
Schweden
Chemische Erfindung