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发明名称
METHOD OF ASSESSING WIND EROSION OF ROCK
摘要
申请公布号
SU1550133(A1)
申请公布日期
1990.03.15
申请号
SU19884212217
申请日期
1988.03.19
申请人
NI PK I PO DOBYCHE POLEZNYKH ISKOPAEMYKH OTKRYTYM SPOSOBOM
发明人
KONONETS STEPAN P,SU;LABUNSKIJ LEONID V,SU;KABAKOV ALEKSANDR M,SU
分类号
E21C39/00
主分类号
E21C39/00
代理机构
代理人
主权项
地址
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