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发明名称
Optisches Glas
摘要
申请公布号
DE940319(C)
申请公布日期
1956.03.15
申请号
DE1954L020183
申请日期
1954.10.21
申请人
ERNST LEITZ G.M.B.H.
发明人
WEISSENBERG GUSTAV;UNGEMACH OTTO DR.
分类号
C03C3/14;C03C3/155;C03C3/253
主分类号
C03C3/14
代理机构
代理人
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地址
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