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发明名称
OPTICAL DEMULTIPLEXER AND/OR MULTIPLEXER
摘要
申请公布号
GB2189621(B)
申请公布日期
1989.11.08
申请号
GB19870005066
申请日期
1987.03.04
申请人
* NIPPON SHEET GLASS CO LTD
发明人
MASAFUMI * SEKI;YOSHIYUKI * HANADA;RYOICHI * SUGAWARA
分类号
G02B5/28;G02B6/34;G02B7/00
主分类号
G02B5/28
代理机构
代理人
主权项
地址
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