申请人 |
JAPAN OIL, GAS AND METALS NATIONAL CORPORATION;INPEX CORPORATION;JX NIPPON OIL & ENERGY CORPORATION;JAPAN PETROLEUM EXPLORATION CO., LTD.;COSMO OIL CO., LTD.;NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD. |
发明人 |
IWAMA MARIE;TASAKA KAZUHIKO;TANAKA YUICHI |