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发明名称
Perfectionnements aux dispositifs de changement de vitesse et de changement de marche
摘要
申请公布号
FR689422(A)
申请公布日期
1930.09.05
申请号
FRD689422
申请日期
1930.02.04
申请人
发明人
HADFIELD FREDERICK HOWE
分类号
F16D21/04
主分类号
F16D21/04
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