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公开(公告)号:US2829194A
公开(公告)日:1958-04-01
申请号:US34582953
申请日:1953-03-31
Applicant: TECHNICOLOR CORP
Inventor: POHL WADSWORTH E
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公开(公告)号:US2927857A
公开(公告)日:1960-03-08
申请号:US61170056
申请日:1956-09-24
Applicant: TECHNICOLOR CORP
Inventor: POHL WADSWORTH E
IPC: G03C7/22
CPC classification number: G03C7/22
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公开(公告)号:US3133814A
公开(公告)日:1964-05-19
申请号:US11865561
申请日:1961-06-21
Applicant: TECHNICOLOR CORP OF AMERICA
Inventor: POHL WADSWORTH E
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