GB/T 18449.4-2022

Metallic materials—Knoop hardness test—Part 4: Tables of hardness values

NORMA vydána dne 9.3.2022

The information about the standard:

Designation standards: GB/T 18449.4-2022
Publication date standards: 9.3.2022
Country: Chinese technical standard
Kategorie: Technické normy GB