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发明名称
Stempel oder Stuetze, insbesondere fuer den Grubenausbau
摘要
申请公布号
DE1103267(B)
申请公布日期
1961.03.30
申请号
DE1958B051268
申请日期
1958.11.29
申请人
FA. FERD. BRASELMANN
发明人
BRASELMANN FERDINAND
分类号
E21D15/36;E21D15/58
主分类号
E21D15/36
代理机构
代理人
主权项
地址
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