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公开(公告)号：US3076128A
公开(公告)日：1963-01-29
申请号：US8570761
申请日：1961-01-30
Applicant: GEN MOTORS CORP
Inventor： TOSKI JOHN W , SPAIN ROBERT F
IPC: G05F1/56
CPC classification number: G05F1/56
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