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发明名称
GEFRIERROHR ZUM VERFESTIGEN DES BAUGRUNDES UND VERFAHREN ZUM EINBRINGEN VON FUELLMATERIAL IN EIN DAS GEFRIERROHR AUFNEHMENDES BOHRLOCH
摘要
申请公布号
DE1484426(B1)
申请公布日期
1969.09.11
申请号
DE19621484426
申请日期
1962.10.31
申请人
CONCH INT METHANE LTD
发明人
SCHROEDER CARL E
分类号
E02D3/115;E02D19/14;E21D1/12;F17C3/00;(IPC1-7):02D19/14
主分类号
E02D3/115
代理机构
代理人
主权项
地址
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