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发明名称
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摘要
申请公布号
US2976633(A)
申请公布日期
1961.03.28
申请号
US19580777105
申请日期
1958.11.28
申请人
SQUIRE FRED B
发明人
SQUIRE FRED B.
分类号
A47G29/122
主分类号
A47G29/122
代理机构
代理人
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