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经营范围
发明名称
OPTICAL REPEATER
摘要
申请公布号
JPH0720511(A)
申请公布日期
1995.01.24
申请号
JP19930167013
申请日期
1993.07.06
申请人
NEC CORP
发明人
SASAGAWA YOSHIKAZU
分类号
G02F1/35;(IPC1-7):G02F1/35
主分类号
G02F1/35
代理机构
代理人
主权项
地址
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