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经营范围
发明名称
SHAFT SEAL
摘要
申请公布号
SU1642162(A1)
申请公布日期
1991.04.15
申请号
SU19894664721
申请日期
1989.03.20
申请人
SUMSKOJ KH POLT I IM.V.I.LENINA
发明人
CHERNOV ALEKSANDR E,SU;LAPONOG SERGEJ T,SU
分类号
F16J15/44
主分类号
F16J15/44
代理机构
代理人
主权项
地址
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