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公开(公告)号:US3533679A
公开(公告)日:1970-10-13
申请号:US3533679D
申请日:1968-01-16
Applicant: SOPELEM
Inventor: BALUTEAU JEAN MICHEL
CPC classification number: G02B15/16
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公开(公告)号:US3532415A
公开(公告)日:1970-10-06
申请号:US3532415D
申请日:1968-01-16
Applicant: SOPELEM
Inventor: BALUTEAU JEAN MICHEL , ROSIER RAYMOND
IPC: G02B15/14
CPC classification number: G02B15/14
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公开(公告)号:US3488107A
公开(公告)日:1970-01-06
申请号:US3488107D
申请日:1967-09-13
Applicant: SOPELEM
Inventor: BALUTEAU JEAN MICHEL , COUSSOT PIERRE
CPC classification number: G02B13/02
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