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发明名称
GRUBENSTEMPEL-DICHTUNGSANORDNUNG.
摘要
申请公布号
AT36892(T)
申请公布日期
1988.09.15
申请号
AT19850115330T
申请日期
1985.12.03
申请人
PARKER-PRAEDIFA GMBH
发明人
KOHLMORGEN, KARL-HEINRICH;NAUNDORF, PETER, DIPL.-ING.
分类号
E21D15/44;(IPC1-7):E21D15/44
主分类号
E21D15/44
代理机构
代理人
主权项
地址
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