| 申请人 |
MITSUBISHI PETROCHEMICAL CO., LTD., TOKIO/TOKYO;MITSUBISHI PETROCHEMICAL ENGINEERING CO.,LTD., TOKIO/TOKYO;CATALYSTA & CHEMICALS INDUSTRIES CO., LTD., TOKIO/TOKYO |
发明人 |
HANADA, MASAYUKI, KITAKYUSHU-SHI FUKUOKA-KEN;FUKUDA, MORIO, KITAKYUSHI-SHI FUKUOKA-KEN;KOSHIKAWA, TAKEO, INASHIKI-GUN IBARAKI-KEN;YAMAUCHI, AKIHIRO, KOGANEI-SHI TOKYO;OGURA, HIROSHI, YOKOHAMA-SHI KANAGAWA-KEN |
