论文信息 - Verification of LED block equipped with projections to locate travel direction for blind persons - 字舞流文

Verification of LED block equipped with projections to locate travel direction for blind persons

Katsuya Sato | Shoichiro Fujisawa | Kazuya Takahashi | Tomoyuki Inagaki | Kiyohito Takeuchi | Hiroshi Ogino | Norihiro Ikeda | Sin-ichi Ito | Hideaki Nagahama