Reversible keyboard and information processing app
专利名称:Reversible keyboard and information processing apparatus发明人:戒能 誠夫,垣本 純一申请号:JP2002112192申请日:20020415公开号:JP3828451B2公开日:20061004专利内容由知识产权出版社提供摘要:PROBLEM TO BE SOLVED: To provide a reversible keyboa
时间:2024-05-23 热度:3℃