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经营范围
发明名称
Continuously variable focal length lens
摘要
申请公布号
GB9700848(D0)
申请公布日期
1997.03.05
申请号
GB19970000848
申请日期
1997.01.16
申请人
SMITH, MARC J
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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