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经营范围
发明名称
Height adjustable frame for spectacles
摘要
Has two guide rails on which are stops or markings for precisely setting nose-bridges; wires or similar pieces acting as positioning aids
申请公布号
DE19721442(A1)
申请公布日期
1998.11.19
申请号
DE19971021442
申请日期
1997.05.14
申请人
KEIDERLING, GEORG, 45897 GELSENKIRCHEN, DE
发明人
KEIDERLING, GEORG, 45897 GELSENKIRCHEN, DE
分类号
G02C5/12;(IPC1-7):G02C5/12
主分类号
G02C5/12
代理机构
代理人
主权项
地址
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