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ES65950A1917-12-071917-12-07Un nuevo cojinete de rodillos para ejes de vagones o vagonetas y otros vehículos montado móvil sobre abrazadera.
ExpiredES65950A1
(es)
Un sistema de engrase de los ejes de los coches, vagones y demás material móvil de ferrocarriles y tranvías, con los dispositivos para llevarlo a efecto.