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发明名称
OPTICAL SWITCH
摘要
申请公布号
JPH01316723(A)
申请公布日期
1989.12.21
申请号
JP19880149706
申请日期
1988.06.17
申请人
NEC CORP
发明人
KAWAI SHIGERU;KUBOTA KEIICHI;KASAHARA KENICHI;TASHIRO YOSHIHARU;YANASE TOMOO
分类号
G02F1/31
主分类号
G02F1/31
代理机构
代理人
主权项
地址
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