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公开(公告)号:US3249036A
公开(公告)日:1966-05-03
申请号:US28244963
申请日:1963-05-22
Applicant: POLAROID CORP
Inventor: WILLS HOWARD T
IPC: G03B17/52
CPC classification number: G03B17/52
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公开(公告)号:US3113500A
公开(公告)日:1963-12-10
申请号:US7169960
申请日:1960-11-25
Applicant: POLAROID CORP
Inventor: EBURN JR WILLIAM H , WILLS HOWARD T
IPC: G03B17/52
CPC classification number: G03B17/52
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公开(公告)号:US3113496A
公开(公告)日:1963-12-10
申请号:US7169860
申请日:1960-11-25
Applicant: POLAROID CORP
Inventor: EBURN JR WILLIAM H , WILLS HOWARD T
IPC: G03B17/52
CPC classification number: G03B17/52
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