| 申请人 |
ZAIDAN HOJIN HANDOTAI KENKYU SINKOKAI;TOHOKU ELECTRIC POWER COMPANY, INCORPORATED;TSUKEN ELECTRIC IND. CO., LTD. |
发明人 |
NISHIZAWA, JUN-ICHI;TAMAMUSHI, TAKASHIGE;MITAMURA, KOICHI;TAKAHASHI, HIROO;MITSUI, KIYOO;IKEHARA, MITSUO;WAKO, TOYOTA;MARUYAMA, SINPEI |
