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公开(公告)号：US2576674A
公开(公告)日：1951-11-27
申请号：US68808946
申请日：1946-08-02
Applicant: DENNIS ALBERT E
Inventor： DENNIS ALBERT E
IPC: A63F9/14
CPC classification number: A63F9/14
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2.发明授权Means for visual inspection by comparison with a series of threedimensional pictures 失效与一系列三维图片相比，目视检查的手段
公开(公告)号：US2495703A
公开(公告)日：1950-01-31
申请号：US61505945
申请日：1945-09-07
Applicant: DENNIS ALBERT E
Inventor： DENNIS ALBERT E
IPC: G01J4/02
CPC classification number: G01J4/02
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