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发明名称
Perfectionnement aux mécanismes à roue libre.
摘要
申请公布号
BE574838(A1)
申请公布日期
1959.07.17
申请号
BE19590574838
申请日期
1959.01.17
申请人
SOCIETE BERTIN & CIE.
发明人
分类号
F16D41/20;(IPC1-7):F06D
主分类号
F16D41/20
代理机构
代理人
主权项
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