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公开(公告)号：US3032659A
公开(公告)日：1962-05-01
申请号：US75890658
申请日：1958-09-04
Applicant: CORNING GLASS WORKS
Inventor： BACON JAMES F , ELMER THOMAS H , HOOD HARRISON P
IPC: G01T1/20
CPC classification number: G01T1/20
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