Home / Standards / GB/T 27888.4-2011 GB/T 27888.4-2011 Active Ships and marine technology - Drainage systems on ships and marine structures - Part 4: Sanitary drainage,sewage disposal pipes 船舶与海上技术 船舶与海上结构物的排水系统 第4部分：卫生水排放和污水处理管 Standard Type GBT ICS 47.020.30 CCS U50 Status 现行 Issue Date 2011-12-30 Implementation 2012-06-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委