Hahnl, Wolfgang.
Overview
| Works: | 1 works in 0 publications in 0 languages | |
|---|---|---|
Titles
Praktische Methoden des Erfindens = Kreativität und Patentschutz /
by:
Hahnl, Wolfgang.; SpringerLink (Online service)
(Language materials, printed)
, [http://id.loc.gov/vocabulary/relators/aut]