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经营范围
发明名称
COMBINED SEALING DEVICE FOR SHAFT
摘要
申请公布号
SU1702042(A1)
申请公布日期
1991.12.30
申请号
SU19894768455
申请日期
1989.12.15
申请人
KRAVTSOV ALEKSANDR,SU;USENKO VYACHESLAV,SU
发明人
KRAVTSOV ALEKSANDR I,SU;USENKO VYACHESLAV I,SU
分类号
F16J15/43;F16J15/40;F16J15/53
主分类号
F16J15/43
代理机构
代理人
主权项
地址
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