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

General rules for energy evaluation method by available energy (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1991

Identification marking for piping systems (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1987