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公开(公告)号:US3500327A
公开(公告)日:1970-03-10
申请号:US3500327D
申请日:1965-06-01
Applicant: BUNKER RAMO
Inventor: BELCHER RICHMOND D , DUGGAN ROBERT J , ELLIS GEORGE R , ESSLINGER ROBERT H , GOODYEAR WILLIAM FREDERICK , MARSHALL JOSEPH C , MASONE THOMAS R
IPC: G06F3/153 , G09G1/18 , H04Q1/18
CPC classification number: G09G1/18 , G06F3/153