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经营范围
发明名称
Dispositif d'orientation pour écran, visières, lunettes de protection, etc.
摘要
申请公布号
FR996144(A)
申请公布日期
1951.12.13
申请号
FRD996144
申请日期
1949.08.10
申请人
SOCIETE L'INDUSTRIE DE PROTECTION
发明人
分类号
G02C7/16
主分类号
G02C7/16
代理机构
代理人
主权项
地址
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