潜水气体硝基和氧气的出口连接|沙特标准|EN 144-3

　　Respiratory protective devices—Gas cylinder valves—Part3:Outlet connections for diving gases Nitrox and oxygen

　　呼吸保护装置气瓶阀第3部分：潜水气体硝基和氧气的出口连接

　　Technical Regulation for Personal Protective Equipment and Clothing