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经营范围
发明名称
Walking hobbyhorse
摘要
申请公布号
US2121257(A)
申请公布日期
1938.06.21
申请号
US19360105128
申请日期
1936.10.10
申请人
B. F. KELLEY
发明人
O'DONNELL EDWARD P.
分类号
A63G15/00
主分类号
A63G15/00
代理机构
代理人
主权项
地址
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