GB/T 13813-2023

Testing method and judging rule of safety to friction spark of metallic material for coal mine

STANDARD published on 23.5.2023

English, Chinese -
electronic design (pdf) (646.80 USD)

The information about the standard:

Designation standards: GB/T 13813-2023
Publication date standards: 23.5.2023
Country: Chinese technical standard
Category: Technical standards GB