NORMSERVIS s.r.o.

GB 50471-2018

Code for design of the gas drainage engineering of coal mine

STANDARD published on 16.1.2018

English, Chinese -
electronic design (pdf) (2086.80 USD)

English, Chinese -
Print design (2086.80 USD)

The information about the standard:

Designation standards: GB 50471-2018
Publication date standards: 16.1.2018
Country: Chinese technical standard
Category: Technical standards GB