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21.Multiple path light-conducting devices and method and apparatus for making same 失效
Title translation: 多路导光装置及其制造方法和装置公开(公告)号:US2992586A
公开(公告)日:1961-07-18
申请号:US71929258
申请日:1958-03-05
Applicant: AMERICAN OPTICAL CORP
Inventor: UPTON LEE O
IPC: C03B37/15
CPC classification number: C03B37/15 , Y10S359/90
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公开(公告)号:US2958162A
公开(公告)日:1960-11-01
申请号:US65817957
申请日:1957-05-09
Applicant: AMERICAN OPTICAL CORP
Inventor: UPTON LEE O
IPC: C03B23/22
CPC classification number: C03B23/22
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公开(公告)号:US2913350A
公开(公告)日:1959-11-17
申请号:US56372056
申请日:1956-02-06
Applicant: AMERICAN OPTICAL CORP
Inventor: UPTON LEE O
IPC: C03C3/17
CPC classification number: C03C3/17
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