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发明名称
Automatic jump rope
摘要
申请公布号
US2911063(A)
申请公布日期
1959.11.03
申请号
US19580736746
申请日期
1958.05.21
申请人
WOLFSON BYRON L
发明人
WOLFSON BYRON L.
分类号
A63B5/20
主分类号
A63B5/20
代理机构
代理人
主权项
地址
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