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经营范围
发明名称
BODENVERDRÄNGUNGSHAMMER.
摘要
申请公布号
AT130071(T)
申请公布日期
1995.11.15
申请号
AT19890302943T
申请日期
1989.03.23
申请人
KAYES, ALLAN G.
发明人
KAYES, ALLAN G.
分类号
E21B4/14;E21B7/06;E21B7/26;(IPC1-7):E21B7/06
主分类号
E21B4/14
代理机构
代理人
主权项
地址
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