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发明名称
SPECTACLES
摘要
申请公布号
GB2055222(B)
申请公布日期
1982.09.22
申请号
GB19790007311
申请日期
1979.03.01
申请人
DONOVAN L B
发明人
分类号
G02C3/00;G02C5/12;G02C5/14;G02C11/00;G02C11/08;(IPC1-7):G02C5/12
主分类号
G02C3/00
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代理人
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