BS EN 464:1994 防护服.对包括气溶液体和固体粒子的液体和气体化学物质的防护.试验方法.气体密封服的密封性测定(内压力试验)
Protective clothing - Protection against liquid and gaseous chemicals, including liquid aerosols and solid particles - Test method - Determination of leak-tightness of gas-tight suits (Internal Pressure Test)