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发明名称
Laeutewerksanlage fuer den Eisenbahnbetrieb
摘要
申请公布号
DE599696(C)
申请公布日期
1934.07.07
申请号
DE1933B160003D
申请日期
1933.03.08
申请人
DR.-ING. ALFRED VAN BIEMA
发明人
ACKERMANN ERHARD;TEICH ALBERT
分类号
B61L29/32
主分类号
B61L29/32
代理机构
代理人
主权项
地址
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