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发明名称
CATADIOPTRIC LENS
摘要
申请公布号
GB2144874(B)
申请公布日期
1987.04.15
申请号
GB19840003302
申请日期
1984.02.08
申请人
* VIVITAR CORPORATION
发明人
MELVYN H * KREITZER
分类号
G02B13/18;G02B17/08;(IPC1-7):G02B17/08
主分类号
G02B13/18
代理机构
代理人
主权项
地址
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