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发明名称
Schraembaggergeraet mit Schild zum Abbau untertaegiger Bodenschaetze, vorzugsweise Braunkohle
摘要
申请公布号
DE938543(C)
申请公布日期
1956.02.02
申请号
DE1952B023365
申请日期
1952.12.16
申请人
VEB BRAUNKOHLENWERK GUSTAV SOBOTTKA
发明人
BAERWALD HERMANN
分类号
E21C27/02
主分类号
E21C27/02
代理机构
代理人
主权项
地址
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