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经营范围
发明名称
OPTICAL SWITCH
摘要
申请公布号
JPH06281972(A)
申请公布日期
1994.10.07
申请号
JP19930068682
申请日期
1993.03.26
申请人
SUMITOMO ELECTRIC IND LTD
发明人
IWASHIMA TORU;ITO MASUMI;INOUE SUSUMU
分类号
G02F1/00;G02B6/34;G02F1/31;(IPC1-7):G02F1/31
主分类号
G02F1/00
代理机构
代理人
主权项
地址
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