18-08-2024
0
Textile
Textile Floor Coverings
0 L.E.
المواصفة القياسية الدولية ISO 140 – 8 / 1997 ( E ) Acoustics – Measurement of sound insulation in building and of building elements. Part 8: Laboratory measurements of reduction of transmi
Cancelled
الغاء مجلس 331
Not Obligatory
91.060