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发明名称
Roller for roller bearings
摘要
申请公布号
US2252977(A)
申请公布日期
1941.08.19
申请号
US19400320535
申请日期
1940.02.24
申请人
AKTIEBOLAGET SVENSKA KULLAGERFABRIKEN
发明人
PALMGREN NILS ARVID
分类号
F16C33/34
主分类号
F16C33/34
代理机构
代理人
主权项
地址
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