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List of vacuum tubes — This is a list of vacuum tubes or thermionic valves. Before the advent of semiconductor devices, hundreds of tube types were used in consumer and industrial electronics; today only a few types are still used in specialized applications. Contents… … Wikipedia
Route 158 (Québec) — Pour les articles homonymes, voir route 158. Route 158 … Wikipédia en Français
12AX7 — is a miniature dual triode vacuum tube with high voltage gain. It is believed to have been originally developed in 1946 by RCA engineers in Harrison, New Jersey under developmental number A 4522. It was released for public sale under the 12AX7… … Wikipedia
Autoroute 25 — Pour les articles homonymes, voir A25 … Wikipédia en Français
Route 125 (Québec) — 45° 48′ 25″ N 73° 36′ 54″ W / 45.8069, 73.615 … Wikipédia en Français

Словари и энциклопедии на Академике