07-09-2015
22
Chemical
Refractories
0 L.E.
ISO 12678 – 1 , 2 / 1996 Refractory products – Measurement of Dimensions and External Defects of Refractory Bricks . Part ( 1 ) : Dimensions and Conformity to Drawings . Part ( 2 ) : Corner and Edge Defects and Other Surface Imperfections .
Cancelled
حل محلها 3949-1/2015 & 3949-2/2015
Not Obligatory
81.080