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发明名称
Dispositif d'encastrement des verres dans les montures métalliques de lunettes ou binocles ne comportant pas d'encadrement pour les verres
摘要
申请公布号
FR865795(A)
申请公布日期
1941.06.03
申请号
FRD865795
申请日期
1940.05.23
申请人
发明人
LOHMANN WILLI
分类号
G02C1/02
主分类号
G02C1/02
代理机构
代理人
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