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公开(公告)号:US2969766A
公开(公告)日:1961-01-31
申请号:US80192559
申请日:1959-03-25
Applicant: POLAROID CORP
Inventor: DISTEL JOSEPH W , PARRISH JR MAXFIELD , KARL MAIERSHOFER
IPC: G03D15/06
CPC classification number: G03D15/06
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公开(公告)号:US2960016A
公开(公告)日:1960-11-15
申请号:US84796459
申请日:1959-10-22
Applicant: POLAROID CORP
Inventor: DISTEL JOSEPH W
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公开(公告)号:US3029719A
公开(公告)日:1962-04-17
申请号:US86095459
申请日:1959-12-21
Applicant: POLAROID CORP
Inventor: DISTEL JOSEPH W
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公开(公告)号:US3046859A
公开(公告)日:1962-07-31
申请号:US79862759
申请日:1959-03-11
Applicant: POLAROID CORP
Inventor: DISTEL JOSEPH W
IPC: G03B7/085
CPC classification number: G03B7/085
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