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1.Vacuum tube gate control circuit for solenoid actuated mechanism 失效
Title translation: 电磁致动机构的真空管门控制电路公开(公告)号:US3049648A
公开(公告)日:1962-08-14
申请号:US72142558
申请日:1958-03-14
Applicant: MANDREL INDUSTRIES
Inventor: NELSON JOHN R
IPC: B07C5/36
CPC classification number: B07C5/361
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2.Apparatus for classifying objects according to their internal structure 失效
Title translation: 根据内部结构对物体进行分类的装置公开(公告)号:US3385434A
公开(公告)日:1968-05-28
申请号:US48888165
申请日:1965-09-21
Applicant: MANDREL INDUSTRIES
Inventor: NELSON JOHN R
CPC classification number: B07C5/3425 , G01N21/85 , G01N33/02
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