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发明名称
Optical coupling circuit element
摘要
申请公布号
US5031991(A)
申请公布日期
1991.07.16
申请号
US19890444442
申请日期
1989.12.01
申请人
SHARP KABUSHIKI KAISHA
发明人
NAKATSU, HIROSHI;OKUMURA, TOSHIYUKI;INOGUCHI, KAZUHIKO;TAKIGUCHI, HARUHISA
分类号
G02B6/32;G02B3/08;G02B6/42
主分类号
G02B6/32
代理机构
代理人
主权项
地址
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