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发明名称
Dispositif dérailleur de chaîne de cycle, pour changement de vitesse
摘要
申请公布号
FR802846(A)
申请公布日期
1936.09.16
申请号
FRD802846
申请日期
1935.02.07
申请人
CHARLES MAILLARD ET SES FILS
发明人
分类号
B62M9/124
主分类号
B62M9/124
代理机构
代理人
主权项
地址
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