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发明名称
VARIABLE FOCAL LENGTH SPECTACLES
摘要
申请公布号
JPH02166417(A)
申请公布日期
1990.06.27
申请号
JP19880321813
申请日期
1988.12.20
申请人
FURUKAWA TOMOYUKI
发明人
FURUKAWA TOMOYUKI
分类号
G02C7/06;G02B3/14
主分类号
G02C7/06
代理机构
代理人
主权项
地址
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