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发明名称
Schienenbefestigung mittels den Fuss der Schiene uebergreifender Kopfschrauben
摘要
申请公布号
DE540008(C)
申请公布日期
1931.12.04
申请号
DE1928K110692D
申请日期
1928.08.14
申请人
NORBERT KOCH
发明人
分类号
E01B23/04
主分类号
E01B23/04
代理机构
代理人
主权项
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