This Korean Industrial Standard specifies the head restraints for automobile occupants used for passenger cars, small-size motor lorries and to like.
Remark ISO 6549-1980 Road vehicles-Procedure for H-point determination
KS R 4059-1997 history
2013KS R 4059-2013 Head restraints for automobile occupants
0000 KS R 4059-2007(2012)
1997KS R 4059-1997 Head restraints for automobile occupants
1987KS R 4059-1987 Head restraints for automobile occupants