申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD., TOKIO/TOKYO, JP |
发明人 |
OTAWA, YASUHIKO, ICHIHARA-SHI CHIBA-KEN, JP;UCHIYAMA, AKIRA, ICHIHARA-SHI CHIBA-KEN, JP;HIRAOKA, KUNIHIDE, ICHIHARA-SHI CHIBA-KEN, JP;OKAMOTO, KATSUO, FUNABASHI-SHI CHIBA-KEN, JP;SHIMIZU, SHIZUO, HOUYA-SHI TOKYO, JP |