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发明名称
Zusammenklappbares Brillengestell
摘要
申请公布号
DE919436(C)
申请公布日期
1954.10.21
申请号
DE1952C006163
申请日期
1952.07.26
申请人
CHARLES CURTET
发明人
分类号
G02C5/00;G02C5/06;G02C5/08
主分类号
G02C5/00
代理机构
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