GB40880-2021

Specification for coal mine gas classification identification

煤矿瓦斯等级鉴定规范

GB 40880-2021 is a current mandatory Chinese national standard for Specification for coal mine gas classification identification. It appears in the Food compliance cluster with a product safety focus and has an implementation date of May 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.