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发明名称
サイクリング補助装置
摘要
自転車チェーンセット用クランクアームが提供される。アームは、回転中にクランク長さを変化させることで機械的利得を得るための手段を備える。
申请公布号
JP2017506604(A)
申请公布日期
2017.03.09
申请号
JP20160571467
申请日期
2015.02.10
申请人
ロビンソン アラン ジョンROBINSON, Alan, John
发明人
ロビンソン アラン ジョン
分类号
B62M3/04;B62J99/00
主分类号
B62M3/04
代理机构
代理人
主权项
地址
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