油气输送管道穿越工程设计规范
Code for design of oil and gas transportation pipeline crossing engineering
标准状态
发布于:2013-12-19
实施于:2014-07-01
废止
基本信息
GB 50423-2013
现行
2013-12-19
2014-07-01
住房和城乡建设部
GB50423-2007废止
Code for design of oil and gas transportation pipeline crossing engineering