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发明名称
Mécanisme de changement de vitesse pour bicyclettes
摘要
申请公布号
FR820201(A)
申请公布日期
1937.11.06
申请号
FRD820201
申请日期
1937.03.03
申请人
O. KOPPITSCH & CO
发明人
ADALBERT FREYLER;EUGEN BLASBERG
分类号
B62M11/14
主分类号
B62M11/14
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代理人
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