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经营范围
发明名称
Spring supported hobbyhorse
摘要
申请公布号
US2554045(A)
申请公布日期
1951.05.22
申请号
US19490077253
申请日期
1949.02.18
申请人
MINOR JR LEO L
发明人
JR. LEO L. MINOR,
分类号
A63G13/08
主分类号
A63G13/08
代理机构
代理人
主权项
地址
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