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经营范围
发明名称
Druckmittelbetriebenes Grubenausbauelement
摘要
申请公布号
DE1135399(B)
申请公布日期
1962.08.30
申请号
DE1958SC24729
申请日期
1958.09.13
申请人
HERMANN SCHWARZ KOMMANDITGESELLSCHAFT
发明人
分类号
E21D15/44;E21D15/58
主分类号
E21D15/44
代理机构
代理人
主权项
地址
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