发明名称 Writing board of ergonomic design
摘要 The writing board (DS,SA,VA) comprises two superposed pref. wooden panels connected by two hinges on one side. They are provided with telescopic adjustors to raise the top panel into the individually required position. The board is portable and has a carrying handle. The two panels are locked together by a suitable lock. The board may be placed on the user's knees or even be used standing up.
申请公布号 DE4417348(A1) 申请公布日期 1995.12.21
申请号 DE19944417348 申请日期 1994.05.18
申请人 PILS, MICHAEL, 53111 BONN, DE 发明人 PILS, MICHAEL, 53111 BONN, DE
分类号 A47B23/04;(IPC1-7):A47B17/02;A47B9/00;A47B13/08 主分类号 A47B23/04
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