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发明名称
Sätt att anbringa ljuskällor i avsikt att få föremål likaväl synliga i mörker som i dagsljus och härvid använd listgrund
摘要
申请公布号
FI16053(A)
申请公布日期
1934.09.21
申请号
FID16053
申请日期
申请人
发明人
GROBETY LOUIS HENRI EMILE
分类号
(IPC1-7):F21P1/02
主分类号
(IPC1-7):F21P1/02
代理机构
代理人
主权项
地址
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