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发明名称
PLUGGING MIXTURE
摘要
申请公布号
CS268365(B1)
申请公布日期
1990.03.14
申请号
CS19880001340
申请日期
1988.03.02
申请人
SOBOTKOVA IVANA ING. CSC.,CS;SEDLO MILOSLAV ING.,CS;TRSEK MIROSLAV ING.,CS
发明人
SOBOTKOVA IVANA ING. CSC.,CS;SEDLO MILOSLAV ING.,CS;TRSEK MIROSLAV ING.,CS
分类号
E21B33/138;(IPC1-7):E21B33/138
主分类号
E21B33/138
代理机构
代理人
主权项
地址
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