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Code for security system design of low concentration gas pipeline transportation of coal mine

煤矿低浓度瓦斯管道输送安全保障系统设计规范

GB 40881-2021 is a current mandatory Chinese national standard for Code for security system design of low concentration gas pipeline transportation of coal mine. 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. Request a translation or verify source before using this record in a compliance decision.