Closure systems for use with rigid air ducts 同刚性风管一起使用的密闭系统
2.
Vitreous and porcelain enamels - corrosion tests in closed systems 搪玻璃釉密闭系统中的腐蚀试验
3.
Closure systems for use with flexible air ducts and air connectors 同柔性风管和风管接头一起使用的密闭系统
4.
Standard for safety for closure systems for use with rigid air ducts 与刚性风管一起使用的密闭系统的安全标准
5.
Standard for safety for closure systems for use with flexible air ducts and air connectors 与柔性风管和风管接头一起使用的密闭系统的安全标准
6.
Vitreous and porcelain enamels - determination of resistance to chemical corrosion - part 5 : determination of resistance to chemical corrosion in closed systems 釉瓷和搪瓷.抗化学腐蚀的测定.第5部分:密闭系统中抗化学腐蚀的测定