申请人 |
MITSUBISHI GAS CHEMICAL COMPANY, INC. |
发明人 |
UMEMURA, TOSHIKAZU MITSUBISHI GAS CHEM. CO. INC.;TANABE, KOU MITSUBISHI GAS CHEM. CO. INC.;MAEDA, KENJI MITSUBISHI GAS CHEM. CO. INC.;IZUMIDA, TOSHIAKI MITSUBISHI GAS CHEM. CO. INC.;KOJIMA, YUTAKA MITSUBISHI GAS CHEM. CO. INC. |