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发明名称
DRILL FOR LARGE DIAMETER CIRCULAR HOLES
摘要
申请公布号
AU5114985(A)
申请公布日期
1986.06.19
申请号
AU19850051149
申请日期
1985.12.12
申请人
SOLETANCHE
发明人
HERVE BARTHELEMY;YVES LEGENDRE
分类号
E21B10/00;E21B4/00;E21B4/16
主分类号
E21B10/00
代理机构
代理人
主权项
地址
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