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公开(公告)号:US3376421A
公开(公告)日:1968-04-02
申请号:US42970765
申请日:1965-02-02
Applicant: AMERICAN OPTICAL CORP
Inventor: ELIAS SNITZER
CPC classification number: H01S3/2308 , F21K2/005 , G02F2/02
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公开(公告)号:US3372969A
公开(公告)日:1968-03-12
申请号:US32871063
申请日:1963-12-06
Applicant: AMERICAN OPTICAL CORP
Inventor: ELIAS SNITZER
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