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1.Pattern contour tracing apparatus utilizing pulsating light source 失效
Title translation: 图案轮廓追踪装置利用PULSATING光源公开(公告)号:US3423589A
公开(公告)日:1969-01-21
申请号:US3423589D
申请日:1965-05-19
Applicant: STEWART WARNER CORP
Inventor: BARDWELL FRANCIS G , REDMAN DEREK H
CPC classification number: G06K11/02