Title:
黒板用定規
Document Type and Number:
Japanese Patent JP5589181
Kind Code:
B2
Inventors:
斎 藤 Sentence Husband
Application Number:
JP2010053859A
Publication Date:
September 17, 2014
Filing Date:
March 10, 2010
Export Citation:
Assignee:
Akira Saito
International Classes:
B43L7/00; B43L9/02
Attorney, Agent or Firm:
Minoru Sasaki