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发明名称
OPTICAL CONTROLLING DEVICE
摘要
申请公布号
JPH03230115(A)
申请公布日期
1991.10.14
申请号
JP19900025316
申请日期
1990.02.05
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
MIYAZAWA HIROSHI
分类号
G02F1/035
主分类号
G02F1/035
代理机构
代理人
主权项
地址
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