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发明名称
Stossverbindung zweier zur Bildung eines Hohlraumes zusammengesetzter Schienen
摘要
申请公布号
DE662818(C)
申请公布日期
1938.07.22
申请号
DENDATH147738D
申请日期
申请人
MARGARETE HELLWIG GEB. DECKEL
发明人
分类号
E01B5/08
主分类号
E01B5/08
代理机构
代理人
主权项
地址
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