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发明名称
Roulement à billes à deux contacts
摘要
申请公布号
FR695988(A)
申请公布日期
1930.12.24
申请号
FRD695988
申请日期
1930.05.19
申请人
ETABLISSEMENTS RAVAT
发明人
分类号
F16C19/16
主分类号
F16C19/16
代理机构
代理人
主权项
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