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经营范围
发明名称
BALL BEARING CAGE
摘要
申请公布号
PL141243(B1)
申请公布日期
1987.07.31
申请号
PL19840245654
申请日期
1984.01.10
申请人
发明人
分类号
F16C;F16C33/41;(IPC1-7):F16C33/41
主分类号
F16C
代理机构
代理人
主权项
地址
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