Internationale Patentklassifikation (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Internationale Patentklassifikation" in German language version.

refsWebsite

Global rank German rank

1,462^nd place

2,176^th place

low place

5,231^st place

epo.org

fiveipoffices-o.epo.org

five IP Offices (IP5) - Classification (Working Group 1)

wipo.int