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发明名称
Exercising device
摘要
申请公布号
US1824920(A)
申请公布日期
1931.09.29
申请号
US19280317052
申请日期
1928.11.03
申请人
LEON NOVAK
发明人
NOVAK LEON
分类号
A63B22/20
主分类号
A63B22/20
代理机构
代理人
主权项
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