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公开(公告)号：US2611537A
公开(公告)日：1952-09-23
申请号：US54175044
申请日：1944-06-23
Applicant: SPERRY CORP
Inventor： WHITE GIFFORD E , GRAEF ROBERT L , LA FORGE CHARLES J
IPC: G08C19/06
CPC classification number: G08C19/06
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