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发明名称
Improvements in bicycles
摘要
申请公布号
GB611627(A)
申请公布日期
1948.11.02
申请号
GB19460005218
申请日期
1946.02.19
申请人
发明人
分类号
B62K3/00
主分类号
B62K3/00
代理机构
代理人
主权项
地址
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