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发明名称
Bicycle propulsion
摘要
申请公布号
GB2328914(A)
申请公布日期
1999.03.10
申请号
GB19970019037
申请日期
1997.09.08
申请人
GEORGE * HON CHEUNG HUNG
发明人
GEORGE * HON CHEUNG HUNG
分类号
B62M1/18;(IPC1-7):B62M1/20
主分类号
B62M1/18
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代理人
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