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发明名称
Eiserne Schwelle mit zur seitlichen Festlegung des Schienenfußes bestimmten Querrippen, die mit der Schwelle aus einem Stück bestehen.
摘要
申请公布号
AT132766(B)
申请公布日期
1933.04.10
申请号
ATD132766
申请日期
1931.10.28
申请人
FRIED. KRUPP AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
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地址
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