您的位置:分享标准网 > 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
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