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发明名称
Hydraulischer, am Strebausbau abgestuetzter Rueckzylinder fuer Rinnenfoerderer
摘要
申请公布号
DE1225128(B)
申请公布日期
1966.09.22
申请号
DE1963G037198
申请日期
1963.03.05
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
NIGGELING MANFRED;FUEGNER HORST
分类号
E21C35/14;E21F13/08
主分类号
E21C35/14
代理机构
代理人
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