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发明名称
Reading stand
摘要
申请公布号
US2741869(A)
申请公布日期
1956.04.17
申请号
US19530377455
申请日期
1953.08.31
申请人
EDWARD AIBEL
发明人
AIBEL EDWARD
分类号
A47B23/00
主分类号
A47B23/00
代理机构
代理人
主权项
地址
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