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发明名称
Festliegende Muldenrutsche fuer den Abbau von Floezen
摘要
申请公布号
DE595842(C)
申请公布日期
1934.04.21
申请号
DE1931ST48622D
申请日期
1931.12.01
申请人
OTTO STAHL
发明人
分类号
E21F13/06
主分类号
E21F13/06
代理机构
代理人
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