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经营范围
发明名称
VARIABLE FOCUS LIQUID CRYSTAL LENS
摘要
申请公布号
GB1563113(A)
申请公布日期
1980.03.19
申请号
GB19760036707
申请日期
1976.09.03
申请人
THOMSON-BRANDT
发明人
分类号
G02B7/09;G02B3/14;G02B27/40;G02F1/13;G02F1/139;G02F1/29;G11B7/09;(IPC1-7):G02F1/13
主分类号
G02B7/09
代理机构
代理人
主权项
地址
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