GB/T 9966.9-2021

Test methods for natural stone—Part 9: Determination of the dynamic modulus of elasticity by measuring the fundamental resonance frequency

NORMA vydaná dňa 21.5.2021

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The information about the standard:

Designation standards: GB/T 9966.9-2021
Publication date standards: 21.5.2021
Country: Chinese technical standard
Kategória: Technické normy GB