关于加强回采巷道顶板管理的暂行规定

编号：SM-ZD-28084

关于加强回采巷道顶板管

理的暂行规定

Through the process agreement to achieve a unified action policy for different people, so as to coordinate action, reduce blindness, and make the work orderly.

编制：____________________

审核：____________________

批准：____________________

本文档下载后可任意修改