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发明名称
Verre optique
摘要
申请公布号
FR1038900(A)
申请公布日期
1953.10.02
申请号
FRD1038900
申请日期
1951.06.21
申请人
ERNST LEITZ G. M. B. H.
发明人
分类号
C03C3/16;C03C3/17
主分类号
C03C3/16
代理机构
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