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经营范围
发明名称
HYDRAULIC SEAL OF VERTICAL SHAFT
摘要
申请公布号
RU1124657(C)
申请公布日期
1995.01.20
申请号
SU19833565846
申请日期
1983.03.10
申请人
LYSTSEV V.A.;BESSONOV A.M.;GRIDNEV V.S.
发明人
LYSTSEV V.A.;BESSONOV A.M.;GRIDNEV V.S.
分类号
F16J15/40;(IPC1-7):F16J15/40
主分类号
F16J15/40
代理机构
代理人
主权项
地址
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