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经营范围
发明名称
Perfectionnements aux systèmes optiques
摘要
申请公布号
FR1454269(A)
申请公布日期
1966.07.22
申请号
FR19650038805
申请日期
1965.11.17
申请人
发明人
SHAFIK MOHAMMED, MOHEYDDEEN
分类号
G02B1/00;G02B17/06
主分类号
G02B1/00
代理机构
代理人
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地址
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