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经营范围
发明名称
LICHTGELEIDERVERBINDING.
摘要
申请公布号
NL7710251(A)
申请公布日期
1979.03.21
申请号
NL19770010251
申请日期
1977.09.19
申请人
E.I. DU PONT DE NEMOURS AND COMPANY TE WILMINGTON, DELAWARE, VER. ST. V. AM.
发明人
分类号
G02B6/36;G02B6/38;(IPC1-7):G02B5/14
主分类号
G02B6/36
代理机构
代理人
主权项
地址
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