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发明名称
Dispositif de changement de vitesse pour véhicules à pédales.
摘要
申请公布号
CH215273(A)
申请公布日期
1941.06.15
申请号
CHD215273
申请日期
1938.04.07
申请人
VOLPI,MARIO
发明人
VOLPI,MARIO
分类号
B62M25/00
主分类号
B62M25/00
代理机构
代理人
主权项
地址
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