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发明名称
CHANGEESPEED GEAR OF BICYCLE PROVIDED IN THE FORM OF OUTER UNIT
摘要
申请公布号
JPS5391240(A)
申请公布日期
1978.08.10
申请号
JP19770006165
申请日期
1977.01.21
申请人
YAMAMURO AKIHIRO
发明人
YAMAMURO AKIHIRO
分类号
B62M9/1242;B62M9/1342
主分类号
B62M9/1242
代理机构
代理人
主权项
地址
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