Protection against lightning -- Part 3: Physical damage to structures and life hazard
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2019

Lighting of tunnels for motorrized traffic (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1990

Quality management and quality assurance standards Part 1: Guidelines for selection and use
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1994