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公开(公告)号：US2832219A
公开(公告)日：1958-04-29
申请号：US51273855
申请日：1955-06-02
Applicant: VICTORY ENGINEERING CORP
Inventor： MEYER SAPOFF , GOODYEAR ROBERT S
IPC: G01L11/00
CPC classification number: G01L11/002
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