阀门标准 BS EN 1704-1997 塑料管道系统.热塑塑料阀.弯曲情况下温度循环后阀门完整性的试验方法Plastics piping systems – Thermoplastics valves – Test method for the integrity of a valve after temperature cycling under bending.pdf [db:摘要]
阀门标准 BS EN 12284-2003 Refrigerating systems and heat pumps-Valves-Requirements, testing and marking.pdf [db:摘要]
