GB/T 38720-2020E

Microstructure examination of medium-carbon steel and medium-carbon alloy structural steel after quenching

NORMA vydána dne 31.3.2020

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The information about the standard:

Designation standards: GB/T 38720-2020E
Publication date standards: 31.3.2020
Country: Chinese technical standard
Kategorie: Technické normy GB