申请人 |
NGK INSULATORS, LTD., NAGOYA, AICHI, JP;NIIHARA, KOICHI, YOKOSUKA, KANAGAWA, JP;HIRAI, TOSHIO, IZUMI, MIYAGI, JP |
发明人 |
NIIHARA, KOICHI 1-2-2 HASHIRIMIZU-SHUKUSHA;NAKAHIRA, ATSUSHI 407 DOKUSHIN-RYO, YOKOSUKA CITY KANAGAWA PREF., JP;HIRAI, TOSHIO, IZUMI CITY MIYAGI PREF., JP |