申请人 |
PETROLEO BRASILEIRO S.A. - PETROBRAS;ROBERTS, MARK, PETER;HUZIWARA, WILSON, KENZO;DOS SANTOS, CELSON, MURILO;MICHELAN, ROGERIO;SANDES, EMANUEL, FREIRE |
发明人 |
HUZIWARA, WILSON, KENZO;DOS SANTOS, CELSON, MURILO;MICHELAN, ROGERIO;SANDES, EMANUEL, FREIRE |