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发明名称
Einrichtung zur Einfuehrung von Druckmitteln in ein druckmittel-betriebenes Grubenausbauelement
摘要
申请公布号
DE1134647(B)
申请公布日期
1962.08.16
申请号
DE1959SC26609
申请日期
1959.08.28
申请人
HERMANN SCHWARZ KOMMANDITGESELLSCHAFT
发明人
分类号
E21D15/51;E21D15/58
主分类号
E21D15/51
代理机构
代理人
主权项
地址
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