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发明名称
OPTICAL SWITCH
摘要
申请公布号
EP0147195(B1)
申请公布日期
1990.09.05
申请号
EP19840308977
申请日期
1984.12.20
申请人
HITACHI, LTD.
发明人
HIROYOSHI, MATSUMURA;CHINONE, NAOKI;ISHIDA, KOJI
分类号
G02F1/295;G02F1/31;G02F1/313;G02F1/315
主分类号
G02F1/295
代理机构
代理人
主权项
地址
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