27-09-2022
20
Metrology
Properties of Materials , Force and Hardness
0 L.E.
- المواصفة القياسية الدولية ISO 4545-2/2005 Metallic materials–Knoop hardness test Part 2 : Verification and calibaration of testing machines.
Cancelled
حل محلها 8576 ج2 /2022
Not Obligatory
77.040.10