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发明名称
Bicycle change-speed gear
摘要
申请公布号
GB2099523(A)
申请公布日期
1982.12.08
申请号
GB19810016211
申请日期
1981.05.28
申请人
CITELLI KENNETH J
发明人
分类号
B62M9/12;B62M11/16;(IPC1-7):B62M9/12;B62M11/06
主分类号
B62M9/12
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代理人
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