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发明名称
Holder for notebooks
摘要
申请公布号
US2542718(A)
申请公布日期
1951.02.20
申请号
US19490109606
申请日期
1949.08.10
申请人
SNELL HARM D
发明人
SNELL HARM D.
分类号
A47B23/06;B42D5/00
主分类号
A47B23/06
代理机构
代理人
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地址
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