GB41022-2021

Basic index of coal mine gas drainage and exploition

煤矿瓦斯抽采基本指标

GB 41022-2021 is a current mandatory Chinese national standard for Basic index of coal mine gas drainage and exploition. It appears in the Food compliance cluster with a product safety focus and has an implementation date of Jun 1, 2022.

Applicability depends on product scope, certification route, competent authority notices and transition rules. Requst for the translation or verify source before using this record in a compliance decision.