| 申请人 |
E.I. DU PONT DE NEMOURS AND CO., WILMINGTON, DEL., US |
发明人 |
BIERLEIN, JOHN, DAVID, WILMINGTON, DE 19803, US;BRIXNER, LOTHAR, HEINRICH, WEST CHESTER, PA 19380, US;FERRETTI, AUGUST, WILMINGTON, DE 19809, US;HSU, WILLIAM, YANG-HSING, HOCKESSIN, DE 19707, US |
