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发明名称
METHOD OF SHIFTING MULTISTAGE TRANSMISSION OF BICYCLE AND MECHANISM FOR SHIFTING TRANSMISSION GEAR
摘要
申请公布号
JPS52123040(A)
申请公布日期
1977.10.15
申请号
JP19760038930
申请日期
1976.04.06
申请人
SOGAWA TAKAO
发明人
SOGAWA TAKAO
分类号
B62M9/127;B62M9/16;B62M25/04
主分类号
B62M9/127
代理机构
代理人
主权项
地址
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