申请人 |
SHOWA SHELL SEKIYU K.K., TOKIO/TOKYO, JP |
发明人 |
SUZUKI, YOSHIICHI, C/O SHOWA SHELL SEKIYU K.K., CHIYODA-KU, TOKYO, JP;SAKUMA, SHIGENORI, C/O SHOWA SHELL SEKIYU K.K., CHIYODA-KU, TOKYO, JP;YAMAKAWA, NORIKO, C/O SHOWA SHELL SEKIYU K.K., CHIYODA-KU, TOKYO, JP |