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发明名称
Kettenumschaltvorrichtung an Kettenraedern von Fahrradtretkurbeln o. dgl.
摘要
申请公布号
DE808193(C)
申请公布日期
1951.07.12
申请号
DE1949P040231D
申请日期
1949.04.19
申请人
LUCIEN CHARLES HIPPOLYTE JUY
发明人
JUY LUCIEN CHARLES HIPPOLYTE
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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