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经营范围
发明名称
Perfectionnement aux séparateurs optiques
摘要
申请公布号
FR1292237(A)
申请公布日期
1962.05.04
申请号
FR19610855237
申请日期
1961.03.10
申请人
发明人
DEBRIE ANDRE VICTOR LEON CLEMENT
分类号
G02B27/12
主分类号
G02B27/12
代理机构
代理人
主权项
地址
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