NON METALLIC FLEXIBLE HOSES WITH ARMOUR AND MECHANICAL CONNECTION FOR RECEIVING INSTALLATIONS UNION OR APPLIANCES USING GASEOUS FUELS. PART 2: HOSES FOR APPLIANCES CONNECTION USING FIRST AND SECOND FAMILY GASES.
带铠装和机械连接的非金属挠性软管 用于接收使用气体燃料的装置或器具 第2部分:使用第一族和第二族气体连接电器的软管