ISO 1031:1974 Preview
Coniferous sawn timber -- Defects -- Terms and definitions
This standard was last reviewed and confirmed in 2013. Therefore this version remains current.
Relates to classification in ISO 1029. Covers unplaned sawn timber and such surfaced to size or planed but without profiling. Examples are shown in many figures. Replaces R 1031 and is a trilingual edition.