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发明名称
Druckmittelbetriebenes Grubenausbaugestell mit wechselweise bewegbaren Ausbaurahmen und Verfahren zum Be- und Entlasten eines solchen Ausbaugestelles
摘要
申请公布号
DE1183042(B)
申请公布日期
1964.12.10
申请号
DE1962SC31102
申请日期
1962.03.08
申请人
HERMANN SCHWARZ KOMMANDITGESELLSCHAFT
发明人
分类号
E21D23/00;E21D23/16
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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