23-01-2023
13
Chemical
Building Materials
295 L.E.
المواصفات القياسية الاوربية رقم 1925 / 1999 EN 1925 / 1999 EN 1925:1999 (Confirmed in 2019 ) Natural stone test methods - Determination of water absorption coefficient by capillarity
Updated
Not Obligatory
91.100.10