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发明名称
Reading stand
摘要
申请公布号
US3104491(A)
申请公布日期
1963.09.24
申请号
US19590825271
申请日期
1959.07.06
申请人
SPARKMAN VIRGIL M
发明人
SPARKMAN VIRGIL M.
分类号
A47B23/00;A47B23/06
主分类号
A47B23/00
代理机构
代理人
主权项
地址
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