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发明名称
Student's desk
摘要
申请公布号
US1958783(A)
申请公布日期
1934.05.15
申请号
US19320596229
申请日期
1932.03.02
申请人
CLIFTON CLIFFORD R
发明人
CLIFTON CLIFFORD R.
分类号
A47B17/00
主分类号
A47B17/00
代理机构
代理人
主权项
地址
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