| 申请人 |
ELF ATOCHEM NORTH AMERICA, INC., PHILADELPHIA, PA., US |
发明人 |
BOLMER, MICHAEL SHEPPARD, COLLEGEVILLE, PA 19426, US;ELSHEIKH, MAHER YOUSEF, WAYNE, PA 19087, US;WISMER, JOHN ALOYSIUS, WASHINGTON CROSSING, PA 18977, US;SCHIRMANN, JEAN PIERRE, F-75011 PARIS, FR |
