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发明名称
Perfectionnements apportés aux objectifs à focale variable
摘要
申请公布号
FR1374786(A)
申请公布日期
1964.10.09
申请号
FR19630953796
申请日期
1963.11.14
申请人
RANK PRECISION INDUSTRIES LIMITED
发明人
分类号
G02B7/10
主分类号
G02B7/10
代理机构
代理人
主权项
地址
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