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发明名称
OPTICAL FUNCTION ELEMENT
摘要
申请公布号
JPS6488409(A)
申请公布日期
1989.04.03
申请号
JP19870247182
申请日期
1987.09.29
申请人
NEC CORP
发明人
IWASHIMA OSAMU
分类号
H01L31/0232;G02B6/42;H01L31/02
主分类号
H01L31/0232
代理机构
代理人
主权项
地址
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