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发明名称
Un rodamiento de agujas
摘要
申请公布号
ES61147(U)
申请公布日期
1957.09.01
申请号
ES19470000611U
申请日期
1957.07.16
申请人
SCHAEFFLER, GEORG
发明人
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主分类号
代理机构
代理人
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