Home / Standards / GB/T 26291-2010 GB/T 26291-2010 Abolished Copper-nickel seamless pipe for ships 舰船用铜镍合金无缝管 Standard Type GBT ICS 77.150.30 CCS H62 Status 废止 Issue Date 2011-01-14 Implementation 2011-11-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A