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发明名称
APPARATUS FOR CLEANING AND INSULATING OUTER SURFACE OF PIPELINES
摘要
申请公布号
SU1671377(A1)
申请公布日期
1991.08.23
申请号
SU19884482297
申请日期
1988.09.14
申请人
TREST "ORGTEKHNEFTESTROJ"
发明人
MITROSHIN SERGEJ S,SU;STEPANOV ANATOLIJ I,SU
分类号
B08B9/023;B08B9/02
主分类号
B08B9/023
代理机构
代理人
主权项
地址
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