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发明名称
Kopfseitiges Verlaengerungsstueck fuer Grubenstempel
摘要
申请公布号
DE1272856(B)
申请公布日期
1968.07.18
申请号
DE1966H059903
申请日期
1966.07.09
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
WEIRICH WALTER;GOLLA FRANZ
分类号
E21D15/54
主分类号
E21D15/54
代理机构
代理人
主权项
地址
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