Home / Standards / GB/T 21412.5-2017 GB/T 21412.5-2017 Active Petroleum and natural gas industries—Design and operation of subsea production systems—Part 5: Subsea umbilicals 石油天然气工业 水下生产系统的设计和操作 第5部分:水下脐带缆 Standard Type GBT ICS 75.180.10 CCS E94 Status 现行 Issue Date 2017-10-14 Implementation 2018-05-01 Responsible Dept 国家标准委 Drafting Unit N/A