The "Basic Terminology Standards for Coal Mine Engineering" is now approved as a national standard, numbered GB/T50562-2019, and will come into force on October 1, 2019. The original "Basic Terminology Standards for Coal Mine Engineering" (GB/T50562-2010) will be abolished at the same time. This standard is published on the website of the Ministry of Housing and Urban-Rural Development (www.mohurd.gov.cn), and is published by the China Planning Publishing House organized by the Institute of Standards and Quotas of the Ministry of Housing and Urban-Rural Development. Ministry of Housing and Urban-Rural Development of the People's Republic of China February 13, 2019
GB/T 50562-2019 history
2019GB/T 50562-2019 Coal mine engineering basic term standard
2010GB/T 50562-2010 Code for basic terms of coal mine construction engineering