TELEVISION AND MARKET RESEARCH DATA COLLECTION SYSTEM AND METHOD
摘要
申请公布号
EP0421482(A3)
申请公布日期
1992.09.30
申请号
EP19900120554
申请日期
1984.11.30
申请人
CONTROL DATA CORPORATION
发明人
MCKENNA, WILLIAM JOHN;SILVERS, KENNETH WILBUR;NICKERSON, RAND BAYMAN;WELSH, RUSSELL JAMES;WALKER, HAROLD RAYMOND;CULLITY, JOSEPH ANTHONY;STRYZAK, BOHDAN
