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公开(公告)号:US3221627A
公开(公告)日:1965-12-07
申请号:US26888463
申请日:1963-03-29
Applicant: POLAROID CORP
Inventor: BING HERBERT A , MALERBI ROBERT A
IPC: G03B13/20
CPC classification number: G03B13/20
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2.
公开(公告)号:US3148330A
公开(公告)日:1964-09-08
申请号:US20381262
申请日:1962-06-20
Applicant: POLAROID CORP
Inventor: MALERBI ROBERT A
IPC: G03B15/04
CPC classification number: G03B15/0473 , F21V23/0414
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