Metallic materials—Vickers and Knoop microhardness tests of metallic and other inorganic coatings
NORM herausgegeben am 30.4.2021
Designation standards: GB/T 9790-2021
Note: UNGĂśLTIG
Publication date standards: 30.4.2021
Country: Chinese technical standard
Kategorie: Technische Normen GB