Home / Standards / GB/T 30508-2014 GB/T 30508-2014 Active Ships and marine technology―Hydraulic oil systems―Guidance for grades of cleanliness and flushing 船舶和海上技术 液压油系统 清洁度等级和冲洗导则 Standard Type GBT ICS 47.020.99 CCS U57 Status 现行 Issue Date 2013-12-13 Implementation 2014-06-01 Responsible Dept 国家标准委 Drafting Unit N/A