International Organization for Standardization
ISO 16739-1:2024(E)
CONCAVECONVEX
Concave Convex
CONCAVEFLAT
Concave Flat
CONVEXCONVEX
Convex Convex
FLATCONVEX
Flat Convex
FLATFLAT
Flat Flat
OTHER
required category not on scale
NOTKNOWN
Value is unkown
UNSET
Value has not been specified