Home / Standards / GB/T 22587-2008 GB/T 22587-2008 Abolished Superconductivity - Matrix to superconductor volume ratio measurement - Copper to superconductor volume ratio of Cu/Nb-Ti composite superconductors 基体与超导体体积比测量 Cu/Nb-Ti复合超导体铜-超[体积]比的测量 Standard Type GBT ICS 77.040.99 CCS H21 Status 废止 Issue Date 2008-12-15 Implementation 2009-05-01 Responsible Dept 中国科学院 Drafting Unit N/A