| 申请人 |
KYODO OIL TECHNICAL RESEARCH CENTER CO. LTD., TOKIO/TOKYO, JP |
发明人 |
HOSONUMA, KUNIHIKO C/O KYODO OIL TECHNICAL, TODA CITY SAITAMA PREF., JP;NAITO, YASUSHI C/O KYODO OIL TECHNICAL, TODA CITY SAITAMA PREF., JP;NISHINO, TSUTOMU C/O KYODO OIL TECHNICAL, TODA CITY SAITAMA PREF., JP |
