申请人 |
ALCAN INTERNATIONAL LTD., MONTREAL, QUEBEC, CA |
发明人 |
WAITE, PETER, D., CHICOUTIMI, QUEBEC G7H 7M3, CA;LAVOIE, SERGE, EUGENE, JONQUIERE, QUEBEC G7S 3A6, CA;DUBE, GHYSLAIN, CHICOUTIMI, QUEBEC G7H 7M3, CA;DUMONT, ROBERT, CAP DE LA MADELEINE, QUEBEC G8T 4Y7, CA |