English summary · Translation available

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. Request a translation or verify source before using this record in a compliance decision.