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1.发明授权Apparatus for detecting the presence of foreign bodies in transparent containers 失效用于检测透明容器中异物的存在的装置
公开(公告)号：US2593311A
公开(公告)日：1952-04-15
申请号：US1881848
申请日：1948-04-03
Applicant: WATSON D HARBAUGH
Inventor： JOHNSON PAUL M , HINRICHS LANSING M
CPC classification number: G01N21/9018 , B08B9/42 , B08B9/46 , G01N21/9045
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