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发明名称
PROCEDE POUR OPTIMISER LE FORAGE DES ROCHES
摘要
申请公布号
FR2565624(B1)
申请公布日期
1988.01.08
申请号
FR19850008730
申请日期
1985.06.10
申请人
TAMPELLA AB OY
发明人
VESA UITTO, PASI JULKUNEN, PASI LATVA-PUKKILA ET TIMO KIIKKA;JULKUNEN PASI;LATVA-PUKKILA PASI;KIIKKA TIMO
分类号
E21B49/00;E21B1/00;E21B44/00;E21B44/02;(IPC1-7):E21B44/00
主分类号
E21B49/00
代理机构
代理人
主权项
地址
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