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发明名称
BODENVERDRÄNGUNGSHAMMER MIT BEWEGLICHEM KOPF
摘要
申请公布号
AT147476(T)
申请公布日期
1997.01.15
申请号
AT19920909649T
申请日期
1992.05.12
申请人
KAYES, ALLAN GEORGE
发明人
KAYES, ALLAN GEORGE
分类号
E21B4/14;(IPC1-7):E21B4/14
主分类号
E21B4/14
代理机构
代理人
主权项
地址
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