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发明名称
In beiden Richtungen arbeitende Schraemmaschine mit horizontalen oberen und unteren Schraemvorrichtungen
摘要
申请公布号
DE1008228(B)
申请公布日期
1957.05.16
申请号
DE1954ST09009
申请日期
1954.11.06
申请人
STEINKOHLENBERGBAUVEREIN
发明人
SANDER DR.-ING. HANS-ROLF
分类号
E21C27/12
主分类号
E21C27/12
代理机构
代理人
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地址
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