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发明名称
MORTAR FOR STOPPING BOREHOLES
摘要
申请公布号
SU1558952(A1)
申请公布日期
1990.04.23
申请号
SU19874333523
申请日期
1987.11.26
申请人
POLTAVSKOE OTDEL UK NI GEOLOGORAZVEDOCHNOGO INSTITUTA
发明人
KHARIV IVAN YU,SU;SMIRNOVA LYUDMILA N,SU
分类号
C09K8/12
主分类号
C09K8/12
代理机构
代理人
主权项
地址
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