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经营范围
发明名称
Protective seal with the magnetic liquid for roller bearing
摘要
申请公布号
PL393424(A1)
申请公布日期
2012.07.02
申请号
PL20100393424
申请日期
2010.12.24
申请人
POLITECHNIKA GDA&NACUTE,SKA
发明人
MATUSZEWSKI LESZEK
分类号
F16C33/72;F16J15/53
主分类号
F16C33/72
代理机构
代理人
主权项
地址
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