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发明名称
OPTICAL AMPLIFYING DEVICE
摘要
申请公布号
JPH0346636(A)
申请公布日期
1991.02.27
申请号
JP19890183048
申请日期
1989.07.14
申请人
NEC CORP
发明人
HENMI NAOYA
分类号
G02F1/35
主分类号
G02F1/35
代理机构
代理人
主权项
地址
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