申请人 |
ALUMINUM COMPANY OF AMERICA, ALCOA CENTER, PA., US |
发明人 |
PREMKUMAR, MOSUR K., ALCOA CENTER, PA., US;SAWTELL, RALPH R., ALCOA CENTER, PA., US;PHELPS, FRANKIE E., ALCOA CENTER, PA., US;DERKACY, JAMES A., ALCOA CENTER, PA., US;YUN, DAVID I., ALCOA CENTER, PA., US |