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发明名称
Warnsignal und Vorwarnschild fuer unbewachte Bahnuebergaenge
摘要
申请公布号
DE877912(C)
申请公布日期
1953.05.28
申请号
DE1951M011675
申请日期
1951.11.13
申请人
MATTHIES ADOLF;GUENTHER KASPAR
发明人
MATTHIES ADOLF;GUENTHER KASPAR
分类号
B61L29/24
主分类号
B61L29/24
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代理人
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