Title:
【考案の名称】スライド円板時間計算尺
Document Type and Number:
Japanese Patent JPS5851366
Kind Code:
U
Inventors:
Yoshihiko Hara
Application Number:
JP14523981U
Publication Date:
April 07, 1983
Filing Date:
September 30, 1981
Export Citation:
International Classes:
G06C3/00; G06G1/08; G06G1/10; (IPC1-7): G06G1/08; G06C3/00