EN ISO 13479-1997 输送流体用聚烯烃管材.耐裂纹扩展的测定.有凹口的管材上裂纹缓慢增长的试验方法(切口试验) ISO 13479-1997
Polyolefin Pipes for the Conveyance of Fluids - Determination of Resistance to Crack Propagation - Test Method for Slow Crack Growth on Notched Pipes (Notch Test) ISO 13479: 1997