| 申请人 |
DONALDSON CO., INC., MINNEAPOLIS, MINN., US |
发明人 |
WRIGHT, MERVIN, E., APPLE VALLEY, MN 55124, US;HOEPPNER, WILLARD, G., MINNEAPOLIS, MN 55409, US;JAHN, DARRELL, D., SHAKOPEE, MN 55379, US;CLOCK, NANCY, A., MINNEAPOLIS, MN 55408, US;STESNIAK, EDGAR, J., ST. PAUL, MN 55128, US |
