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发明名称
OPTICAL MULTI/DEMULTIPLEXER
摘要
申请公布号
EP0256388(B1)
申请公布日期
1993.09.29
申请号
EP19870111040
申请日期
1987.07.30
申请人
HITACHI, LTD.
发明人
SANO, HIROHISA;IMOTO, KATSUYUKI;MAEDA, MINORU
分类号
G02B6/12;G02B6/34;G02B6/42
主分类号
G02B6/12
代理机构
代理人
主权项
地址
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