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发明名称
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摘要
申请公布号
US2828577(A)
申请公布日期
1958.04.01
申请号
US19550534030
申请日期
1955.09.13
申请人
ANDERSON GERTRUDE L
发明人
ANDERSON GERTRUDE L.
分类号
A47B23/00
主分类号
A47B23/00
代理机构
代理人
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