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经营范围
发明名称
OPTICAL COUPLER
摘要
申请公布号
JPH02278210(A)
申请公布日期
1990.11.14
申请号
JP19890098924
申请日期
1989.04.20
申请人
OKI ELECTRIC IND CO LTD
发明人
NAITO KATSUYOSHI
分类号
G02B6/32;G02B6/42
主分类号
G02B6/32
代理机构
代理人
主权项
地址
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