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发明名称
Digital optisk omskifter
摘要
申请公布号
DK0457406(T3)
申请公布日期
1995.05.15
申请号
DK19910201152T
申请日期
1991.05.14
申请人
KONINKLIJKE PTT NEDERLAND N.V.
发明人
VAN DER TOL, JOHANNES JACOBUS GERARDUS M.;DOEKSEN, DOEKE KORNELIS
分类号
G02F1/313;(IPC1-7):G02F1/295
主分类号
G02F1/313
代理机构
代理人
主权项
地址
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