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公开(公告)号:FR2456600A1
公开(公告)日:1980-12-12
申请号:FR8009197
申请日:1980-04-24
Applicant: AMERICAN OPTICAL CORP
Inventor: NEWCOMB PAUL D , HOPKINS ETHAN C , DAVIGNON PAUL A
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公开(公告)号:DE3016731A1
公开(公告)日:1980-11-27
申请号:DE3016731
申请日:1980-04-30
Applicant: AMERICAN OPTICAL CORP
Inventor: NEWCOMB PAUL D , HOPKINS ETHAN C , DAVIGNON PAUL A
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