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发明名称
SPECTACLES
摘要
申请公布号
GB1568147(A)
申请公布日期
1980.05.29
申请号
GB19770014547
申请日期
1977.04.06
申请人
HOYA LENS CORP
发明人
分类号
G02C1/04;(IPC1-7):G02C1/04
主分类号
G02C1/04
代理机构
代理人
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