Pentode (German Wikipedia)

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

Last modified: 20:22:00, 21 January 2022 (UTC)

Ref.Un. Ref.Website

Global rank German rank

11espacenet.com

950^th place

160^th place

espacenet.com (Global: 950^th place; German: 160^th place)

worldwide.espacenet.com

Patent US1945040A: Means for amplifying electric oscillations. Angemeldet am 25. November 1927, veröffentlicht am 30. Januar 1934, Anmelder: Philips NV, Erfinder: Gilles Holst, Bernardus Dominicus Hubertus Tellegen.‌