Drehtür (German Wikipedia)

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

refsWebsite
Global rank German rank
800th place
160th place
1st place
1st place
low place
low place
low place
1,786th place
66th place
4th place

bmas.de

espacenet.com

worldwide.espacenet.com

  • Patent US387571A: Storm door structure. Angemeldet am 10. Februar 1888, veröffentlicht am 7. August 1888, Erfinder: Theophilus van Kannel.
  • Patent DE18349C: Thür ohne Luftzug. Veröffentlicht am 22. Dezember 1881, Erfinder: H. Bockhacker.

fi.edu

spiegel.de

web.archive.org