美利体育登录入口官网:DIN EN 464:1994-09
防护服 - 防护液态和气态化学品,包括液态气溶胶和固态颗粒 - 测试方法:气密服气密性的测定(内部压力测试)
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); German version EN 464:1994