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发明名称
Vereinfachte Eisenbahnsicherungsanlage
摘要
申请公布号
AT165913(B)
申请公布日期
1950.05.10
申请号
ATD165913
申请日期
1946.02.14
申请人
ROBERT URBANSKI
发明人
ROBERT URBANSKI
分类号
主分类号
代理机构
代理人
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