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经营范围
发明名称
Improved elastic hinge for spectacles
摘要
申请公布号
GB2248121(B)
申请公布日期
1994.03.30
申请号
GB19910014902
申请日期
1991.07.10
申请人
* VISOTTICA S P A
发明人
RINALDO * MONTALBAN
分类号
G02C5/22;(IPC1-7):G02C5/22
主分类号
G02C5/22
代理机构
代理人
主权项
地址
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