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发明名称
Kettenschaltanordnung für Fahrräder
摘要
申请公布号
DE20117994(U1)
申请公布日期
2002.01.17
申请号
DE20012017994U
申请日期
2001.11.05
申请人
CHEN, PO-CHENG
发明人
分类号
B62M9/1342;B62M9/1344;(IPC1-7):B62M9/12
主分类号
B62M9/1342
代理机构
代理人
主权项
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