NZS 3631:1988 · New Zealand timber grading rules
Permitted twist per 100 mm of width
Korbel lists only the clause number and title for reference. It does not reproduce the text of NZS 3631:1988. Always refer to the official published standard.
NZS 3631:1988 · New Zealand timber grading rules
Korbel lists only the clause number and title for reference. It does not reproduce the text of NZS 3631:1988. Always refer to the official published standard.
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