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公开(公告)号：US2912637A
公开(公告)日：1959-11-10
申请号：US68725257
申请日：1957-09-30
Applicant: BURROUGHS CORP
Inventor： BARNES GEORGE H , MEYERHOFF ALBERT J , SCHULTZ MERLE A
IPC: G05F1/575
CPC classification number: G05F1/575
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