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发明名称
Dispositif comportant deux parties coniques et une clavette à siège circulaire pour la fixation de la manivelle sur l'axe du pédalier des bicyclettes, voiturettes à pédales et véhicules analogues
摘要
申请公布号
FR976932(A)
申请公布日期
1951.03.23
申请号
FRD976932
申请日期
1948.12.16
申请人
发明人
MAGISTRONI
分类号
B62K19/34
主分类号
B62K19/34
代理机构
代理人
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