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发明名称
SPECTACLES HAVING DETACHABLE FRONT
摘要
申请公布号
GB8408526(D0)
申请公布日期
1984.05.16
申请号
GB19840008526
申请日期
1984.04.03
申请人
ESSILOR INTERNATIONAL
发明人
分类号
G02C1/04;G02C5/00;(IPC1-7):G02C5/00
主分类号
G02C1/04
代理机构
代理人
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地址
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