申请人 |
MITSUBISHI PETROCHEMICAL CO., LTD., TOKIO/TOKYO, JP |
发明人 |
YOKOYAMA, MASUZO MITSUBISHI PETROCHEMICAL CO.;YAMAUCHI, SHINICHI MITSUBISHI PETROCHEMICAL C;NAKANO, HIROSHI MITSUBISHI PETROCHEMICAL CO;KIHIRA, MICHIHARU MITSUBISHI PETROCHEMICAL;OMORI, HIROSHI MITSUBISHI PETROCHEMICAL CO, YOKKAICHI-SHI MIE-KEN, JP |