Home / Standards / GB/T 22587-2017 GB/T 22587-2017 Active Matrix to superconductor volume ratio measurement—Copper to superconductor volume ratio of Cu/Nb-Ti composite superconducting wires 基体与超导体体积比测量 铜-铌鈦（Cu Nb-Ti）复合超导线铜-超[体积]比的测量 Standard Type GBT ICS 77.040.99 CCS H21 Status 现行 Issue Date 2017-12-29 Implementation 2018-04-01 Responsible Dept 中国科学院 Drafting Unit N/A