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公开(公告)号:US3480771A
公开(公告)日:1969-11-25
申请号:US3480771D
申请日:1967-03-10
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor: HASELL HENRY P , CHAUVIN BERNARD
CPC classification number: G03B15/0442
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公开(公告)号:US3434818A
公开(公告)日:1969-03-25
申请号:US3434818D
申请日:1965-06-03
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor: CHAUVIN BERNARD
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