hardness test /SCIENCE/
[DE] Haertepruefung
[EN] hardness test
[FR] essai de dureté
hardenability test,hardness testing,hardness test /TECH/
[DE] Härteprüfung
[EN] hardenability test; hardness testing, hardness test
[FR] essai de dureté
ball hardness testing,hardness test,indentation test /TECH/
[DE] Kugeldruckprobe; Kugeldruckversuch
[EN] ball hardness testing; hardness test; indentation test
[FR] billage; essai de billage