申请人 |
INTERNATIONAL SUPERCONDUCTIVITY TECHNOLOGY CENTER;MITSUBISHI MATERIALS CORPORATION;HITACHI, LTD. |
发明人 |
SAKURAI, TAKESHI, SUPERCONDUCTIVITY RES.LAB.;YAMASHITA, TORU, SUPERCONDUCTIVITY RES.LAB.;YAMAUCHI, HISAO, SUPERCONDUCTIVITY RES.LAB.;TANAKA, SHOJI, SUPERCONDUCTIVITY RES.LAB. |