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2091603-6
Esp@cenet : Europe's network of patent databases / The European Patent Office
München : EPO
1920(1998) -
Online-Ressource
Gesehen am 28.10.02
OCLC number: 615253041
http://ep.espacenet.com/ [Publisher] free of charge
https://dbis.ur.de/resources/1633 [DBIS]
DDC subject groups: 600 Technology
journal
Database
English ; German ; French
Germany, Federal Republic of and Germany since 1990-10-03
available online
024000590
05-12-24