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发明名称
ROLLING BEARING SEALED FOR MAGNETIC FLUID ENCLOSED THEREIN
摘要
申请公布号
JPH0198713(A)
申请公布日期
1989.04.17
申请号
JP19870251720
申请日期
1987.10.07
申请人
KOYO SEIKO CO LTD
发明人
UENO HIROSHI
分类号
F16C33/82
主分类号
F16C33/82
代理机构
代理人
主权项
地址
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