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发明名称
METHOD OF FILLING VOIDS IN ROCKY FORMATIONS
摘要
申请公布号
PL170267(B1)
申请公布日期
1996.11.29
申请号
PL19930299334
申请日期
1993.06.14
申请人
AKADEMIA GORNICZO-HUTNICZA IM STANISLAWA STASZICA
发明人
GONET ANDRZEJ;STRYCZEK STANISLAW;SUSLIK ADAM;LACH WOJCIECH;KWAPIN JACEK;BROMOWICZ ADAM
分类号
E21C41/20;E21F15/00;(IPC1-7):E21F15/00
主分类号
E21C41/20
代理机构
代理人
主权项
地址
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