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发明名称
ARRANGEMENT FOR WET EXCAVATION OF MINERALS
摘要
申请公布号
SU619655(A1)
申请公布日期
1978.08.15
申请号
SU19742053482
申请日期
1974.08.12
申请人
VNI PK I ZOLOTO-PLATINOVOJ,AóMA³HOö ô BOóÓ´PAMOMOóô¬¯EHOBOö üPOMÕÛóEHHOCTô
发明人
LEZGINTSEV GEORGIJ M,SU;ISTOSHIN STANISLAV YU,SU;BELYAVSKIJ MIKHAIL A,SU
分类号
E21C45/00;E02F3/88;(IPC1-7):E21C45/00
主分类号
E21C45/00
代理机构
代理人
主权项
地址
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