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发明名称
OPTICAL SEMICONDUCTOR ELEMENT MODULE
摘要
申请公布号
JPH04130307(A)
申请公布日期
1992.05.01
申请号
JP19900250180
申请日期
1990.09.21
申请人
HITACHI LTD
发明人
KANEKO SATOSHI;HIMI SUSUMU;USAMI MASAHIRO;KONO TSUTOMU
分类号
G02B6/42
主分类号
G02B6/42
代理机构
代理人
主权项
地址
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