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经营范围
发明名称
Digitaler optischer Schalter.
摘要
申请公布号
DE69105614(D1)
申请公布日期
1995.01.19
申请号
DE19916005614
申请日期
1991.05.14
申请人
KONINKLIJKE PTT NEDERLAND N.V., DEN HAAG/'S-GRAVENHAGE, NL
发明人
VAN DER TOL, JOHANNES JACOBUS GERARDUS M., NL-2728 MP ZOETERMEER, NL;DOEKSEN, DOEKE KORNELIS, NL-2023 JS HAARLEM, NL
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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