DIN EN 17150 E:2017 用于非飲用水非壓力地下輸送和儲存的塑料管道系統(tǒng) 測定盒子短期壓縮強度的試驗方法 草案
Draft Document - Plastics piping systems for non-pressure underground conveyance and storage of non-potable water - Test method for determination of short term compression strength of boxes; German and English version prEN 17150:2017