Category:EF91

**EF91**
	Miniature RF pentode
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Instance of	vacuum tube;
Subclass of	pentode;
Has use	radio receiver;
Has part(s)	pentode;
Inception	1947;
Authority file
	Q118313216;
	Reasonator; Scholia; Wikidocumentaries; PetScan; statistics; WikiMap; Locator tool; KML file; Search depicted;

Media in category "EF91"

The following 2 files are in this category, out of 2 total.