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发明名称
Erdbohrer
摘要
申请公布号
DE502007001500(D1)
申请公布日期
2009.10.22
申请号
DE200750001500T
申请日期
2007.07.06
申请人
BAUER MASCHINEN GMBH
发明人
FINKENZELLER, STEFAN MICHAEL
分类号
E21B7/20;E21B10/44
主分类号
E21B7/20
代理机构
代理人
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地址
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