| 申请人 |
BECHTEL GROUP INC., SAN FRANCISCO, CALIF., US |
发明人 |
ABRAMS, JACK Z., SAN RAFAEL CALIFORNIA 94901, US;BENZ, AUGUST D., HILLSBOROUGH CALIFORNIA 94010, US;AWERBUCH, LEON, CHEVY CHASE MARYLAND 20815, US;ZACZEK, STANLEY J., SAN FRANCISCO CALIFORNIA 94122, US;HAIDINGER, JOHN, TAIPEI, TW |
