JIS G 3477-1:2022

Polyethylene coated steel pipes — Part 1: External 3 layer extruded polyethylene coated steel pipes
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2022

JIS D 5103:2022

Automotive parts — Glow plugs for diesel engines — General requirements and dimensions
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2022