备案号:J11546-2010DB青海省地方标准DB63/868-2010页岩砖及页岩多孔砖砌体结构设计与施工技术规程Technical specification for design andconstruction of shale brick and shaleperforated brick masonry structures2010-03-03发布2010-04-01实施青海省住房和城乡建设厅青海省质量技术监督局发布
copyright@ 2008-2023 wnwk.com网站版权所有
经营许可证编号:浙ICP备2024059924号-2