Title:
【考案の名称】パソコンキーボード練習下敷き
Document Type and Number:
Japanese Patent JP3085088
Kind Code:
U
Inventors:
Takuro Ogawa
Application Number:
JP2001002527U
Publication Date:
April 05, 2002
Filing Date:
March 23, 2001
Export Citation:
Assignee:
Takuro Ogawa
International Classes:
(IPC1-7): G06F3/02; B42D15/00; G09B13/02