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发明名称
METHOD OF FILLING WORKED AREA WITH HARDENABLE FILLING IN MATERIALS
摘要
申请公布号
SU769030(A1)
申请公布日期
1980.10.07
申请号
SU19782628706
申请日期
1978.06.12
申请人
PERMSKIJ POLT INSTITUT
发明人
KRAVCHENKO GRIGORIJ ,SU;POLETAEV IGOR G,SU;KRAVCHENKO YURIJ G,SU
分类号
E21F15/08;(IPC1-7):E21F15/08
主分类号
E21F15/08
代理机构
代理人
主权项
地址
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