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发明名称
IMPROVEMENTS IN OR RELATING TO VARIABLE FOCUS LENSES
摘要
申请公布号
GB1209234(A)
申请公布日期
1970.10.21
申请号
GB19680011862
申请日期
1968.03.11
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
BASIL MARTIN WRIGHT
分类号
G02B3/14;G02C7/08
主分类号
G02B3/14
代理机构
代理人
主权项
地址
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