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发明名称
FOUNDATION FOR SHAFT TUBBING MEANS
摘要
申请公布号
GB2237591(B)
申请公布日期
1993.06.16
申请号
GB19900021881
申请日期
1990.10.09
申请人
* E.HEITKAMP GMBH
发明人
ANDREAS * SCHMITZ;KLAUS-FRIEDER * WEIBEZAHN;KARL-JOSEF * MAAB
分类号
E21D1/08;E21D5/00
主分类号
E21D1/08
代理机构
代理人
主权项
地址
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