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公开(公告)号:US2834272A
公开(公告)日:1958-05-13
申请号:US53804855
申请日:1955-10-03
Applicant: POLAROID CORP
Inventor: IRVING ERLICHMAN
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公开(公告)号:US2882155A
公开(公告)日:1959-04-14
申请号:US55621855
申请日:1955-12-29
Applicant: POLAROID CORP
Inventor: IRVING ERLICHMAN
IPC: G03C8/42
CPC classification number: G03C8/42
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公开(公告)号:US3037670A
公开(公告)日:1962-06-05
申请号:US55328755
申请日:1955-12-15
Applicant: POLAROID CORP
Inventor: IRVING ERLICHMAN
IPC: G03B17/52
CPC classification number: G03B17/52
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公开(公告)号:US2788722A
公开(公告)日:1957-04-16
申请号:US55848856
申请日:1956-01-11
Applicant: POLAROID CORP
Inventor: IRVING ERLICHMAN
IPC: G03B17/52
CPC classification number: G03B17/52
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公开(公告)号:US2740338A
公开(公告)日:1956-04-03
申请号:US28753852
申请日:1952-05-13
Applicant: POLAROID CORP
Inventor: BING HERBERT A , IRVING ERLICHMAN , HUNTER JR JAMES E
IPC: G03B17/52
CPC classification number: G03B17/52 , Y10T292/0907 , Y10T292/0968
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公开(公告)号:US3152529A
公开(公告)日:1964-10-13
申请号:US4866660
申请日:1960-08-10
Applicant: POLAROID CORP
Inventor: IRVING ERLICHMAN
IPC: G03B17/52
CPC classification number: G03B17/52
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公开(公告)号:US2984165A
公开(公告)日:1961-05-16
申请号:US72972858
申请日:1958-04-21
Applicant: POLAROID CORP
Inventor: IRVING ERLICHMAN
IPC: G03B7/085
CPC classification number: G03B7/085
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