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发明名称
MICROSCOPE AND MAGNIFICATION CHANGER
摘要
申请公布号
GB1502274(A)
申请公布日期
1978.03.01
申请号
GB19740006762
申请日期
1974.02.14
申请人
HOPKINS H
发明人
分类号
G02B17/08;G02B21/04;G02B21/20;(IPC1-7):G02B21/22
主分类号
G02B17/08
代理机构
代理人
主权项
地址
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