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发明名称
Leuchteinrichtung an Orientierungsplänen von Ortschaften.
摘要
申请公布号
CH285499(A)
申请公布日期
1952.09.15
申请号
CHD285499
申请日期
1950.06.10
申请人
RUEFENACHT,HANS
发明人
RUEFENACHT,HANS
分类号
G09B29/10
主分类号
G09B29/10
代理机构
代理人
主权项
地址
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