China 'GB/T 31522-2015
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 31522-2015
Matrix to superconductor volume ratio measurement—Copper to non-copper volume ratio of Nb3Sn composite superconducting wires 基体与超导体体积比测试 Nb3Sn复合超导线铜与非铜体积比
Issued Date:2015-05-15
Implemented Date:2015-12-01
Issued by:
The Standardization Administration of the People's Republic of China