GB/T 9966.5-2020

Test methods for natural stone—Part 5:Determination of hardness

STANDARD published on 6.3.2020

English, Chinese -
electronic design (pdf) (142.80 USD)

The information about the standard:

Designation standards: GB/T 9966.5-2020
Publication date standards: 6.3.2020
Country: Chinese technical standard
Category: Technical standards GB