astm c989 c989m 12a
ASTM C989/C989M18a Standard Specifiion for Slag Cement for Use in Concrete and Mortars. standard by ASTM International, 12/15/2018. View all product details Most Recent. أسعار 2021; LIST OF C ASTM STANDARDS fanindiatestinglabs . C989/C989M12a Standard Specifiion for Slag Cement for Use in Concrete and Mortars C989/C989MSP12a Especificación Normalizada para Cemento de Escoria .