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发明名称
School desk
摘要
申请公布号
US2168910(A)
申请公布日期
1939.08.08
申请号
US19360068582
申请日期
1936.03.13
申请人
AMERICAN SEATING COMPANY
发明人
MERRILL RALPH K.
分类号
A47B39/02
主分类号
A47B39/02
代理机构
代理人
主权项
地址
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