Home / Standards / GB/T 16774-2012 GB/T 16774-2012 Active Autoboosting caliber liquid nitrogen container 自增压式液氮容器 Standard Type GBT ICS 23.020 CCS B90 Status 现行 Issue Date 2012-12-31 Implementation 2013-07-01 Responsible Dept 国家标准委 Drafting Unit N/A