| 申请人 |
THE PROCTER & GAMBLE CO., CINCINNATI, OHIO, US;PURDUE RESEARCH FOUNDATION, WEST LAFAYETTE, IND., US |
发明人 |
GOSSELIN, PETER, GEORGE, CINCINNATI, OH 45210, US;LUND, MARK, THOMAS, WEST CHESTER, OH 45069, US;SOJKA, PAUL, ERNEST, W. LAFAYETTE, IN 47906, US;LEFEBVRE, ARTHUR, HENRY, LAFAYETTE, IN 47905, US |
