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发明名称
Perfectionnement apporté aux roulements à rouleaux coniques
摘要
申请公布号
FR972405(A)
申请公布日期
1951.01.30
申请号
FRD972405
申请日期
1941.03.04
申请人
发明人
HAZEMANN JULES
分类号
F16C33/46
主分类号
F16C33/46
代理机构
代理人
主权项
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