JIS

Ductile iron pipes
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1998

Epoxy-powder coating for interior of ductile iron pipes and fittings (Amendment 1)
Amendment by Japanese Industrial Standard / Japanese Standards Association, 01/01/2006

Molding silica sand (Foreign Standard)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2016

Heat-treatable steels, alloy steels and free-cutting steels -- Part 18: Bright products of unalloyed and low alloy steels
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2000