INDITECNOR 2.4-11ch-1948 长度,面积,容量以及容积的单位
Las prescripciones de esta norma se aplicarán para expresar las medidas de longitud, superficie, volumen y capacidad
AS 4878.3:2001 涂覆织物的试验方法.单位面积总重、涂层的单位面积重量以及基底单位面积质量的测定
Specifies the methods for the determination of total mass per unit area, mass per unit area of coating and mass per unit area of substrate for coated
Methods of test for coated fabrics - Determination of total mass per unit area, mass per unit area of coating and mass per unit area of substrate
IRAM 1562-1948 钢筋混凝土的空气含量以及单位体积重量
B-l Esta norma establece el método para determinar, para el hormigón fresco: 1.°) el peso por metro cúbico 2°) el volumen obtenido al mezclar
ASTM D3776/D3776M-09ae1 纺织品单位面积(重量)质量的标准试验方法
1.1 These test methods cover the measurement of fabric mass per unit area (weight) and is applicable to most fabrics.
1.1 These test methods cover the measurement of fabric mass per unit area (weight) and is applicable to most fabrics.
1.1 These test methods cover the measurement of fabric mass per unit area (weight) and is applicable to most fabrics.















