Normale Ansicht MARC ISBD

Evolution of patent filing activities in the EEC : a contribution to the study and assessement of the technological trends developing in the EEC from 1969 to 1975, based on a statistical analysis of patents / Mitarb.: Hans Grevnik ; Hermann Kronz

Von: Reihen: Verlag: Brussels [u.a.], 1980Beschreibung: V, 369 SSchlagwörter: