M 135-2000 关于责成欧洲标准化委员会(CEN)和欧洲电工标准化委员会(CENELEC)对平板玻璃,异型玻璃以及玻璃砖制品的协调标准执行标准化工作的委托书[参考:EU 89/106/EEC]
MANDATE TO CEN/CENELEC CONCERNING THE EXECUTION OF STANDARDISATION WORK FOR HARMONISED STANDARDS ON FLAT GLASS, PROFILED GLASS AND GLASS BLOCK PRODUCTS