Home / Standards / GB/T 30503-2014 GB/T 30503-2014 Active General specification for marine nitrogen gas generator 船用制氮装置通用技术条件 Standard Type GBT ICS 47.020.50 CCS U42 Status 现行 Issue Date 2013-12-13 Implementation 2014-06-01 Responsible Dept 国家标准委 Drafting Unit N/A