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公开(公告)号：US3264931A
公开(公告)日：1966-08-09
申请号：US12303261
申请日：1961-07-10
Applicant: KOLLMORGEN CORP
Inventor： SUMNER ACKERMAN , LORD JOSEPH S
IPC: G01J5/52
CPC classification number: G01J5/52
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