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发明名称
Réducteur de vitesse à rapport variable
摘要
申请公布号
FR717007(A)
申请公布日期
1931.12.31
申请号
FRD717007
申请日期
1931.05.13
申请人
发明人
DURAND PAUL
分类号
F16H3/06
主分类号
F16H3/06
代理机构
代理人
主权项
地址
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