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发明名称
Convertible velocipede
摘要
申请公布号
US2468933(A)
申请公布日期
1949.05.03
申请号
US19470777893
申请日期
1947.10.04
申请人
JONES ELLSWORTH J
发明人
JONES ELLSWORTH J.
分类号
B62K3/00;B62K13/00
主分类号
B62K3/00
代理机构
代理人
主权项
地址
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