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Una barra extensible, que esencialmente se caracteriza por estar constituida por un tubo que, en su interior y aproximadamente en su parte central, lleva solidarizada una arandela, cual arandela lleva a su vez solidarizada una barra, fileteada a uno y otro lado de la arandela y, en que, en cada extremo del tubo y en su interior, queda enchufado un tubo, cuyos tubos internos, en los extremos que quedan en el interior del tubo externo, llevan fijada una tuerca, en cuyas tuercas quedan roscadas las partes fileteadas de la barra coaxial con el tubo externo.
ES0046367U1955-02-081955-02-08Una barra extensible
ExpiredES46367Y
(es)
The use of the shock tube as a spectroscopic source with an application to the measurement of gf-values for lines of neutral and singly ionized chromium
Einrichtung mit einer Wanderwellenröhre, deren Aussenwand an der Stelle der Elektronenspritze einen grösseren Durchmesser hat als an der Stelle der Verzögerungsleitung