发明名称 |
Exercise weight selection methods and apparatus |
摘要 |
Exercise dumbbells have pairs of weights disposed at opposite ends of a handle. Selector rods are selectively movable into engagement with various combinations of the weights.
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申请公布号 |
US2001051566(A1) |
申请公布日期 |
2001.12.13 |
申请号 |
US20000745823 |
申请日期 |
2000.12.21 |
申请人 |
KRULL MARK A. |
发明人 |
KRULL MARK A. |
分类号 |
A63B21/072;A63B21/075;(IPC1-7):A63B21/072 |
主分类号 |
A63B21/072 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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