
【国外标准】 Visual strength grading of softwood. Specification
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适用范围:
暂无
标准号:
BS 4978:2007+A2:2017
标准名称:
Visual strength grading of softwood. Specification
英文名称:
Visual strength grading of softwood. Specification标准状态:
现行-
发布日期:
2017-11-30 -
实施日期:
出版语种:
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