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发明名称
EPIDARK ILLUMINATION SYSTEM
摘要
申请公布号
GB1587872(A)
申请公布日期
1981.04.08
申请号
GB19770039368
申请日期
1977.09.21
申请人
NIPPON KOGAKU KK
发明人
分类号
G02B21/06;G02B21/08;G02B21/10;(IPC1-7):G02B21/10
主分类号
G02B21/06
代理机构
代理人
主权项
地址
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