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经营范围
发明名称
DEVICE FOR CENTRING JOINED PIPES
摘要
申请公布号
SU855331(A1)
申请公布日期
1981.08.15
申请号
SU19792711450
申请日期
1979.01.10
申请人
MERZLIKIN ALEKSANDR P,SU;KUDRYAVTSEV SERGEJ L,SU
发明人
MERZLIKIN ALEKSANDR P,SU;KUDRYAVTSEV SERGEJ L,SU
分类号
F16L55/18;(IPC1-7):F16L55/18
主分类号
F16L55/18
代理机构
代理人
主权项
地址
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