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Construction Type :
Profession Type :
木匠
Building Standard :
NZS 3631: 1988
Published At :
01/07/1988
NZS 3631：1988 年新西兰木材分级规则
Establishes visual grading rules for the selection of timber into quality classes. Four types of grades have been specified. Provision has also been made for new crop radiata pine.
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