| 申请人 |
COMALCO ALUMINIUM LTD., MELBOURNE, VICTORIA, AU;ALCOA OF AUSTRALIA LTD., MELBOURNE, VICTORIA, AU |
发明人 |
NIXON, JOHN CRAMMOND, CAMBERWELL, VICTORIA, AU;EADY, JOHN ALAN, DONCASTER EAST, VICTORIA, AU;GOODES, CHRISTOPHER GEOFFREY, MILL PARK, VICTORIA, AU |
