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公开(公告)号：US3057195A
公开(公告)日：1962-10-09
申请号：US70843358
申请日：1958-01-13
Applicant: SYSTRON DONNER CORP
Inventor： BENTLY DONALD E , PRICE ROBERT L
IPC: G01L1/08
CPC classification number: G01L1/086
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