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发明名称
VERFAHREN ZUR HERSTELLUNG EINES HYDROSCHRAMES
摘要
申请公布号
DD138566(A1)
申请公布日期
1979.11.07
申请号
DD19780207578
申请日期
1978.08.31
申请人
TRAPPMANN,PETER,DD;DALLUEGGE,PETER,DD;SEIFFERT,DIETER,DD;GOETZ,KARL-HEINZ,DD
发明人
TRAPPMANN,PETER,DD;DALLUEGGE,PETER,DD;SEIFFERT,DIETER,DD;GOETZ,KARL-HEINZ,DD
分类号
E21C25/60;E21F17/16;(IPC1-7):E21C25/60
主分类号
E21C25/60
代理机构
代理人
主权项
地址
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