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发明名称
REFLECTION TYPE GRATING LENS AND PRODUCTION THEREOF
摘要
申请公布号
JPH02244003(A)
申请公布日期
1990.09.28
申请号
JP19890065715
申请日期
1989.03.16
申请人
NEC CORP
发明人
OBA AKITOMO
分类号
G02B5/10;G02B5/18
主分类号
G02B5/10
代理机构
代理人
主权项
地址
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