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经营范围
发明名称
OPTICAL FIBER
摘要
申请公布号
JPS6219807(A)
申请公布日期
1987.01.28
申请号
JP19850159361
申请日期
1985.07.18
申请人
NEC CORP
发明人
YOSHIDA AKIAYA
分类号
G02B6/00;F21V8/00
主分类号
G02B6/00
代理机构
代理人
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