GOST R EN 464-2007 职业安全标准体系.液态或包括悬浮颗粒与固体物质的气态化合物的防护服.气密性服装防渗漏性的测定方法
Occupational safety standards system. Protective clothing for use against liquid and gaseous chemicals, including aerosols and solid particles. Method for determination of leak-tightness of gas-tight suits