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公开(公告)号:US3085425A
公开(公告)日:1963-04-16
申请号:US86099359
申请日:1959-12-21
Applicant: MICHAEL ROMAN
Inventor: MICHAEL ROMAN
CPC classification number: G01N33/04 , G01N15/0618
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公开(公告)号:US2896787A
公开(公告)日:1959-07-28
申请号:US72861658
申请日:1958-04-15
Applicant: MICHAEL ROMAN
Inventor: MICHAEL ROMAN
IPC: A01J11/06
CPC classification number: A01J11/06
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公开(公告)号:US2665599A
公开(公告)日:1954-01-12
申请号:US29585552
申请日:1952-06-27
Applicant: MICHAEL ROMAN
Inventor: MICHAEL ROMAN
IPC: B23B51/10
CPC classification number: B23B51/108 , Y10T408/56238 , Y10T408/5653
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