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发明名称
(A) ;POWER OPERATED GEAR CHANGE ASSEMBLY FOR BICYCLE
摘要
申请公布号
JPH0747987(B2)
申请公布日期
1995.05.24
申请号
JP19890163057
申请日期
1989.06.26
申请人
发明人
分类号
F16J15/10;C09K3/10;F23D14/18;F23D14/46;(IPC1-7):F16J15/10
主分类号
F16J15/10
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代理人
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