GB 13762-2009 Geosynthetics–Test method for the determination of mass per unit area of geotextiles and geotextile-related products
GB 13762-2009土工合成材料 土工布及土工布有关产品单位面积质量的测定方法
样品要求：试样面积不小于100cm2, 最少10 pcs
周期：7~9个工作日
GB 13762-2009 Geosynthetics–Test method for the determination of mass per unit area of geotextiles and geotextile-related products
GB 13762-2009土工合成材料 土工布及土工布有关产品单位面积质量的测定方法
样品要求：试样面积不小于100cm2, 最少10 pcs
周期：7~9个工作日