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发明名称
OPTICAL BRANCHING DEVICE
摘要
申请公布号
JPH02201311(A)
申请公布日期
1990.08.09
申请号
JP19890020523
申请日期
1989.01.30
申请人
SEIDENSHA DENSHI KOGYO KK
发明人
YONETANI KAZUYUKI;EDAHIRO YASUNOBU
分类号
G02B26/08;G02B27/10
主分类号
G02B26/08
代理机构
代理人
主权项
地址
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