Home / Standards / GB/T 33508-2017 GB/T 33508-2017 Active Recommended practice for riser fatigue 立管疲劳推荐作法 Standard Type GBT ICS 75.180.10 CCS E92 Status 现行 Issue Date 2017-02-28 Implementation 2017-09-01 Responsible Dept 国家标准委 Drafting Unit N/A