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发明名称
OPTOELECTRONIC DIRECTIONAL COUPLER
摘要
申请公布号
GB2190512(B)
申请公布日期
1990.05.09
申请号
GB19870011658
申请日期
1987.05.18
申请人
* TELEFONAKTIEBOLAGET L M ERICSSON
发明人
ANDERS GUSTAV * DJUPSJOBACKA
分类号
G02F1/313
主分类号
G02F1/313
代理机构
代理人
主权项
地址
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