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发明名称
LIGHTWEIGHT BALLS/ROLLERS-THEIR MFG
摘要
申请公布号
GB8802708(D0)
申请公布日期
1988.03.09
申请号
GB19880002708
申请日期
1988.02.06
申请人
KUHN, A T
发明人
分类号
F16C33/30
主分类号
F16C33/30
代理机构
代理人
主权项
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