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公开(公告)号:US3313204A
公开(公告)日:1967-04-11
申请号:US81691859
申请日:1959-05-29
Applicant: OPPEL GEORGE U
Inventor: OPPEL GEORGE U
CPC classification number: G01B11/18 , G01B11/168 , G01L1/241
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公开(公告)号:US3216312A
公开(公告)日:1965-11-09
申请号:US10621561
申请日:1961-04-28
Applicant: OPPEL GEORGE U
Inventor: OPPEL GEORGE U
IPC: G01B11/16
CPC classification number: G01B11/18
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公开(公告)号:US3304721A
公开(公告)日:1967-02-21
申请号:US39467864
申请日:1964-09-08
Applicant: OPPEL GEORGE U
Inventor: OPPEL GEORGE U
CPC classification number: B64C29/005 , F02K9/84 , F02K9/88
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4.Photoelastic device for indicating principal strain directions 失效
Title translation: 用于指示主应变方向的光弹性装置公开(公告)号:US3067606A
公开(公告)日:1962-12-11
申请号:US85659459
申请日:1959-12-01
Applicant: OPPEL GEORGE U
Inventor: OPPEL GEORGE U
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