申请人 |
THE NATIONAL TITANIUM DIOXIDE CO. LTD. (CRISTAL);AL-ZEGHAYER, YOUSEF, SALEH;BASHIR, SAMI, M.;YASER, AHMED, V.;EL DEKKI, HASSAN, M.;AL-MASRY, WAHEED, ATIYA;TRABZUNI, FADI, M. |
发明人 |
AL-ZEGHAYER, YOUSEF, SALEH;BASHIR, SAMI, M.;YASER, AHMED, V.;EL DEKKI, HASSAN, M.;AL-MASRY, WAHEED, ATIYA;TRABZUNI, FADI, M. |