申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD., TOKIO/TOKYO, JP |
发明人 |
YAMASAKI, KAZUYUKI, CHIBA-SHI, JP;YAMAMOTO, KIMIO, ICHIHARA-SHI CHIBA-KEN, JP;WATANABE, MASANOBU, ICHIHARA-SHI CHIBA-KEN, JP;KAN, KOJIRO, ICHIHARA-SHI CHIBA-KEN, JP;NAKAYAMA, YOSHIO, ICHIHARA-SHI CHIBA-KEN, JP |