TY - BOOK T1 - Transmitting Tubes LA - English PP - New Jersey PB - RCA YR - 1956 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dfi.10747 KW - ELECTROTECNIA KW - TUBOS ELECTRICOS KW - VALVULAS ER -