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31.
公开(公告)号:US725567A
公开(公告)日:1903-04-14
申请号:US1902124849
申请日:1902-09-25
Applicant: IVES FREDERIC E
Inventor: IVES FREDERIC E
CPC classification number: H04N13/0404
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公开(公告)号:US707422A
公开(公告)日:1902-08-19
申请号:US1902113733
申请日:1902-06-30
Applicant: IVES FREDERIC E
Inventor: IVES FREDERIC E
CPC classification number: G02B21/0096
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公开(公告)号:US703929A
公开(公告)日:1902-07-01
申请号:US1902108384
申请日:1902-05-21
Applicant: IVES FREDERIC E
Inventor: IVES FREDERIC E
CPC classification number: G02B27/143
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