500 kHz (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "500 kHz" in German language version.

refsWebsite
Global rank German rank
8,679th place
613th place
800th place
160th place
986th place
1,016th place
1st place
1st place

espacenet.com (Global: 800th place; German: 160th place)

worldwide.espacenet.com

  • Patent DE1002787B: Automatischer Alarmgeber. Angemeldet am 24. Januar 1956, veröffentlicht am 21. Februar 1957, Anmelder: VEB Funkwerk Köpenick, Erfinder: Jens Peter Rehahn.

itu.int (Global: 986th place; German: 1,016th place)

unesco.de (Global: 8,679th place; German: 613th place)

web.archive.org (Global: 1st place; German: 1st place)