Home / Standards / GB/T 31183-2014 GB/T 31183-2014 Active Technical requirements of manufacturing consulting service for high pressure hydrogen equipment of oil-refinery 炼油临氢高压设备制造监理技术要求 Standard Type GBT ICS 03.080.99 CCS A20 Status 现行 Issue Date 2014-09-03 Implementation 2014-10-01 Responsible Dept 国家标准委 Drafting Unit N/A