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发明名称
PLUGGING TOOL
摘要
申请公布号
SU972048(A1)
申请公布日期
1982.11.07
申请号
SU19813278811
申请日期
1981.04.20
申请人
KICHIGIN VASILIJ A,SU;MARIN ANATOLIJ A,SU
发明人
KICHIGIN VASILIJ A,SU;MARIN ANATOLIJ A,SU
分类号
E21B33/138;(IPC1-7):E21B33/13
主分类号
E21B33/138
代理机构
代理人
主权项
地址
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