Home / Standards / GB/T 3287-2011 GB/T 3287-2011 Abolished Malleable cast iron pipe fittings 可锻铸铁管路连接件 Standard Type GBT ICS 23.040.60 CCS Y71 Status 废止 Issue Date 2011-12-30 Implementation 2012-07-01 Responsible Dept 中国轻工业联合会 Drafting Unit 中国轻工业联合会