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发明名称
COLLAPSIBLE EYEGLASSES
摘要
申请公布号
GB9105133(D0)
申请公布日期
1991.04.24
申请号
GB19910005133
申请日期
1991.03.12
申请人
HUANG, DAVID
发明人
分类号
G02C5/00;G02C5/06;G02C5/08;G02C5/16;G02C11/00
主分类号
G02C5/00
代理机构
代理人
主权项
地址
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