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发明名称
Teacher demonstration console
摘要
申请公布号
US3373703(A)
申请公布日期
1968.03.19
申请号
US19660582625
申请日期
1966.09.28
申请人
AMERICAN SEATING COMPANY
发明人
BARECKI CHESTER J.
分类号
A47B21/00;A47B37/00
主分类号
A47B21/00
代理机构
代理人
主权项
地址
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