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发明名称
Dispositif de changement de vitesse pour cycles en général
摘要
申请公布号
FR995329(A)
申请公布日期
1951.11.30
申请号
FRD995329
申请日期
1949.09.16
申请人
发明人
CAMPAGNOLO TULLIO
分类号
B62M9/121
主分类号
B62M9/121
代理机构
代理人
主权项
地址
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