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经营范围
发明名称
Inflatable ball with swingable variable internal weight
摘要
申请公布号
US4842563(A)
申请公布日期
1989.06.27
申请号
US19880175979
申请日期
1988.04.01
申请人
PRESSERS INTERNATIONAL PRODUCTS INC.
发明人
RUSSELL, GORDON K.
分类号
A63B43/04
主分类号
A63B43/04
代理机构
代理人
主权项
地址
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