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发明名称
PERFEZIONAMENTI AL PROCEDIMENTO DI SCAVO AD ELICA CONTINUA E RELATIVA ATTREZZATURA.
摘要
申请公布号
ITTO940041(A1)
申请公布日期
1995.07.28
申请号
IT1994TO00041
申请日期
1994.01.28
申请人
SOILMEC S.P.A.
发明人
PEDRELLI MARCO
分类号
E21B3/00;E02D;E02D5/34;E21B7/20
主分类号
E21B3/00
代理机构
代理人
主权项
地址
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