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经营范围
发明名称
Verre optique
摘要
申请公布号
FR69854(E)
申请公布日期
1959.01.09
申请号
FRD69854
申请日期
1955.09.11
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
代理人
主权项
地址
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