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发明名称
Schaltungsanordnung fuer aus Gruppen von Zeichenfeldern bestehende Signalanlagen, insbesondere zur Anzeige von Zugnummern
摘要
申请公布号
DE966748(C)
申请公布日期
1957.09.05
申请号
DE1949P043062D
申请日期
1949.05.18
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
HELMERT ROBERT
分类号
B61L25/08
主分类号
B61L25/08
代理机构
代理人
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