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经营范围
发明名称
Durchgehende, mit einer Krallenmutter die Holzschwelle untergreifende Schienenbefestigungsschraube
摘要
申请公布号
DE498436(C)
申请公布日期
1930.05.22
申请号
DENDATO017353D
申请日期
申请人
ORENSTEIN & KOPPEL AKT.-GES.
发明人
分类号
E01B9/10
主分类号
E01B9/10
代理机构
代理人
主权项
地址
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