UNE 60712-3:1992
TUBOS FLEXIBLES NO METALICOS, CON ARMADURA Y CONEXION MECANICA PARA UNION A INSTALACIONES RECEPTORAS Y/O APARATOS QUE UTILIZAN COMBUSTIBLES GASEOSOS. PARTE 3: TUBOS PARA UNION ENTRE RECIPIENTES E INSTALACIONES RECEPTORAS DE GASES DE LA TERCERA FAMILIA.
NON METALLIC FLEXIBLE HOSES WITH ARMOR AND MECHANICAL CONNECTION FOR RECEIVING INSTALLATIONS UNION AND/OR APPLIANCES USING GASEOUS FUELS. PART 3: HOSES FOR UNION BETWEEN RECIPIENTS AND RECEIVING INSTALLATIONS OF 3RD FAMILY GASES.