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发明名称
OPTICAL FREQUENCY CONVERTING ELEMENT
摘要
申请公布号
JPH01298325(A)
申请公布日期
1989.12.01
申请号
JP19880130544
申请日期
1988.05.27
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
UNO TAKEHIKO
分类号
G02F2/02;G02F1/35
主分类号
G02F2/02
代理机构
代理人
主权项
地址
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