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发明名称
Elektrische Beleuchtungsanlage für Haltestellenschilder elektrischer Bahnen.
摘要
申请公布号
AT138811(B)
申请公布日期
1934.09.25
申请号
ATD138811
申请日期
1933.11.07
申请人
FIRMA A. E. BEECK
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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