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经营范围
发明名称
OPTICAL SWITCH CIRCUIT
摘要
申请公布号
JPS6290626(A)
申请公布日期
1987.04.25
申请号
JP19850231607
申请日期
1985.10.17
申请人
NEC CORP
发明人
SUZUKI SHUJI
分类号
H04Q3/52;G02B26/08;G02F1/31;G02F1/313
主分类号
H04Q3/52
代理机构
代理人
主权项
地址
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