Home / Standards / GB/T 4798.6-2012 GB/T 4798.6-2012 Active Classification of environmental conditions - Classification of groups of environmental parameters and their severities - Ship evironment 环境条件分类 环境参数组分类及其严酷程度分级 船用 Standard Type GBT ICS 19.020 CCS A21 Status 现行 Issue Date 2012-11-05 Implementation 2013-02-01 Responsible Dept 国家标准委 Drafting Unit N/A