申请人 |
IDEMITSU PETROCHEMICAL CO., LTD., TOKIO/TOKYO, JP |
发明人 |
TSURUOKA, MASAYUKI IDEMITSU PETROCHEM. CO., LTD., ICHIHARA-SHI CHIBA-KEN 299-01-, JP;ONISHI, RIKUO IDEMITSU PETROCHEMICAL CO., LTD., ICHIHARA-SHI CHIBA-KEN 299-01, JP;KUSUYAMA, HIDEO IDEMITSU PETROCHEMICAL CO., LTD., ICHIHARA-SHI CHIBA-KEN 299-01, JP;SUGAHARA, AKINOBU IDEMITSU PETROCHEM. CO., LTD., ICHIHARA-SHI CHIBA-KEN 299-0-01, JP |