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近日,由陕西总队所属西安建材地质工程勘察院、中材地质工程勘查研究院主编,会同全国二十余家勘察、设计、施工单位共同编制完成的国家标准《石灰石矿山工程勘察技术规范》GB 50955-2013已由国家住房和城乡建设部批准发布,将于2014年7月1日起正式实施。这一国家标准填补了我国石灰石矿
Recently, the Shaanxi Provincial Corps, Xi’an Construction Materials Geological Engineering Investigation Institute, Sinoma Geological Engineering Investigation Institute editor in conjunction with the country more than 20 survey, design, construction units co-prepared by the completion of the national standard “Limestone Mining Engineering Investigation Technical Specifications” GB 50955 -2013 It has been approved by the Ministry of Housing and Urban-Rural Development and will be implemented on July 1, 2014. This national standard to fill the limestone mine in our country