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发明名称
Pedal lift for velocipedes
摘要
申请公布号
US2548988(A)
申请公布日期
1951.04.17
申请号
US19500136901
申请日期
1950.01.05
申请人
MCDONALD ROBERT L F
发明人
MCDONALD ROBERT L. F.
分类号
B62M3/08
主分类号
B62M3/08
代理机构
代理人
主权项
地址
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