发明名称 Book holder for student{3 s desk
摘要 A book holder for a student type desk for occupying a limited area adjacent the back edge thereof and adapted for permanent mounting thereon for storage on the underside of the desk top by a unique pivotal mount between the base portion and book supporting portion of such holder.
申请公布号 US4109889(A) 申请公布日期 1978.08.29
申请号 US19770791311 申请日期 1977.04.27
申请人 DURKET, MICHAEL P. 发明人 DURKET, MICHAEL P.
分类号 A47B17/03;(IPC1-7):A47B97/04 主分类号 A47B17/03
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