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发明名称
Vorrichtung zum Gewinnen und Verladen von Kohle
摘要
申请公布号
DE757742(C)
申请公布日期
1952.08.14
申请号
DE1941G102975D
申请日期
1941.02.07
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
LOEBBE WILHELM
分类号
E21F13/06
主分类号
E21F13/06
代理机构
代理人
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