Home / Standards / GB 17741-1999 GB 17741-1999 Abolished Code for seismic safety evaluation of engineering sites 工程场地地震安全性评价技术规范 Standard Type GB ICS 91.120.25 CCS P15 Status 废止 Issue Date 1999-04-26 Implementation 1999-11-01 Responsible Dept N/A Drafting Unit N/A