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发明名称
Changement de vitesse automatique pour transmission de bicyclettes ou autres véhicules
摘要
申请公布号
FR995318(A)
申请公布日期
1951.11.30
申请号
FRD995318
申请日期
1949.09.13
申请人
发明人
LEGRAND MARCEL
分类号
B62M11/10
主分类号
B62M11/10
代理机构
代理人
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