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公开(公告)号:US3462211A
公开(公告)日:1969-08-19
申请号:US3462211D
申请日:1965-09-22
Applicant: BELL TELEPHONE LABOR INC
Inventor: NELSON DONALD F , REINHART FRANZ K
CPC classification number: G02F1/025 , G02F2001/0154
公开(公告)号:US3462211A
公开(公告)日:1969-08-19
申请号:US3462211D
申请日:1965-09-22
Applicant: BELL TELEPHONE LABOR INC
Inventor: NELSON DONALD F , REINHART FRANZ K
CPC classification number: G02F1/025 , G02F2001/0154