![](/img/cover-not-exists.png)
The electronic patent information system PATIS of the German Patent Office: Planning and realization
Eckhard Derday, Norbert MayerVolume:
14
Year:
1992
Language:
english
Pages:
6
DOI:
10.1016/0172-2190(92)90147-b
File:
PDF, 459 KB
english, 1992