MQN-01 逆反射系数測定器 車両安全反射器具の試験 製品紹介: This product follows the principle of light path retroreflection and adopts 2856K standard light source and detector...
MQN-02 後反射系数測定器 車両安全反射器具の試験 製品紹介: This product follows the principle of light path retroreflection and adopts 2856K standard light source and detector...