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发明名称
Perfectionnements aux réflecteurs prismatiques en verre ou en une autre matière comp imée ou moulée, et à leur fabrication
摘要
申请公布号
FR933021(A)
申请公布日期
1948.04.08
申请号
FRD933021
申请日期
1946.08.28
申请人
FAIRYLITES LIMITED
发明人
分类号
G02B5/124
主分类号
G02B5/124
代理机构
代理人
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