Title:
暗い場所でも目盛りの見えるコンベックスルール。
Document Type and Number:
Japanese Patent JP3100652
Kind Code:
U
Inventors:
Mitsuto Nagasue
Application Number:
JP2003270692U
Publication Date:
May 27, 2004
Filing Date:
July 18, 2003
Export Citation:
Assignee:
Mitsuto Nagasue
International Classes:
(IPC1-7): G01B3/10