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发明名称
METHOD OF MONITORING THE STATE OF ROCK BODY
摘要
申请公布号
SU1543072(A1)
申请公布日期
1990.02.15
申请号
SU19864099697
申请日期
1986.07.25
申请人
INST PROBLEM KOMPLEKSNOGO OSVOENIYA NEDR AN SSSR
发明人
SAVOSTYANOV EVGENIJ V,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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