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公开(公告)号：US3076600A
公开(公告)日：1963-02-05
申请号：US45418254
申请日：1954-09-03
Applicant: JARRELL ASH COMPANY
Inventor： RICHARDSON JONES ALAN , FREDERICK BRECH
IPC: G06M11/00
CPC classification number: G06M11/00
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