BS 4978:1996被替代
Specification for visual strength grading of softwood
出版：British Standards Institution
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基本信息
标准编号： BS 4978:1996
发布时间：1996/8/15 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：20
标准简介
Specifies two grades for structural use. Covers softwoods graded in the UK and abroad under the supervision of a certification body approved by the UK Timber Grading Committee.
标准备注
© British Standards Institution 2013
Amendment notes:
AMD 9434 published 15 April 1997
替代本标准的新标准
