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发明名称
DETACHABLE PLUG FOR FLANGE-FREE TUBES
摘要
申请公布号
SU877180(A1)
申请公布日期
1981.10.30
申请号
SU19802870482
申请日期
1980.01.14
申请人
POTAPOV NIKOLAJ V,SU
发明人
POTAPOV NIKOLAJ V,SU
分类号
F16J13/10;(IPC1-7):F16J13/10
主分类号
F16J13/10
代理机构
代理人
主权项
地址
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