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发明名称
MEANS FOR SEALING A BOREHOLE
摘要
申请公布号
GB2155080(B)
申请公布日期
1987.03.04
申请号
GB19840018474
申请日期
1984.07.19
申请人
* SCHMIDT KRANZ & CO GMBH ZWEIGNIEDERLASSUNG ZORGE
发明人
ERNST * HOFFMANN;JURGEN * BRUCHMANN;FRANZ * LATUS
分类号
E04G23/02;(IPC1-7):E02D3/12
主分类号
E04G23/02
代理机构
代理人
主权项
地址
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