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发明名称
Body fatigue-relieving support
摘要
申请公布号
US2973030(A)
申请公布日期
1961.02.28
申请号
US19580751702
申请日期
1958.07.29
申请人
MATTHEWSON WALTER J
发明人
MATTHEWSON WALTER J.
分类号
A61F5/055;B60N2/70
主分类号
A61F5/055
代理机构
代理人
主权项
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