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发明名称
élément optique, en particulier une lentille en matière plastique
摘要
申请公布号
FR1229229(A)
申请公布日期
1960.09.05
申请号
FR19590799072
申请日期
1959.07.01
申请人
AGFA AKTIENGESELLSCHAFT
发明人
分类号
G02B1/04;G03B21/20
主分类号
G02B1/04
代理机构
代理人
主权项
地址
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