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发明名称
DISPOSITIF OPTIQUE COMPACT A GROSSISSEMENT VARIABLE UTILISABLE NOTAMMENT DANS UNE MACHINE DE REPRODUCTION DE DOCUMENTS
摘要
申请公布号
BE774410(A1)
申请公布日期
1972.02.14
申请号
BE19710774410
申请日期
1971.10.25
申请人
INTERNATIONAL BUSINESS MACHINES CORP., ARMONK 10 504, NEW YORK, (E.U.A.),
发明人
E.L. LIBBY;M.J. MILLER.
分类号
G03G15/041;(IPC1-7):G02B/;G03G/
主分类号
G03G15/041
代理机构
代理人
主权项
地址
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