| 申请人 |
NALCO CHEMICAL CO., NAPERVILLE, ILL., US |
发明人 |
KNELLER, JAMES F., LEGRANGE PARK, ILLINOIS 60525, US;NARUTIS, VYTAS, RIVERSIDE, ILLINOIS 60546, US;FAIR, BARBARA E., DOWNERS GROVE, ILLINOIS 60516, US;JOHNSON, DONALD A., BATAVIA, ILLINOIS 60510, US;MAZZANI, GIANFRANCO F., I-00154 ROMA - RM, IT;DI SIMONE, I. SERGIO, DI LATINA, IT |
