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发明名称
OPTICAL COUPLING DEVICE AND ITS MANUFACTURE
摘要
申请公布号
JPH05164947(A)
申请公布日期
1993.06.29
申请号
JP19910330432
申请日期
1991.12.13
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
TAKAHARA HIDEYUKI;MORITA AKIRA;SHIMADA JUNICHI;OGUCHI OSAMU
分类号
G02B6/42;G02B6/36
主分类号
G02B6/42
代理机构
代理人
主权项
地址
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