申请人 |
THE NATIONAL TITANIUM DIOXIDE CO. LTD. (CRISTAL);TRABZUNI, FADI, MOHAMED;KHAN, MOHAMMAD, IQBAL;ALMASRY, WAHEED, ATIYA;ALMUSALLAM, TAREK, H.;AL-SUGAYER, YOUSEF, SALEH |
发明人 |
TRABZUNI, FADI, MOHAMED;KHAN, MOHAMMAD, IQBAL;ALMASRY, WAHEED, ATIYA;ALMUSALLAM, TAREK, H.;AL-SUGAYER, YOUSEF, SALEH |