BS 4550-4:1978被替代
Methods of testing cement. Standard coarse aggregate for concrete cubes
出版：British Standards Institution
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基本信息
标准编号： BS 4550-4:1978
发布时间：1978/6/30 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：2
标准简介
Specifies source and properties of aggregate to use with a standard sand to make concrete cubes.
标准备注
© British Standards Institution 2013
Replaces notes:
Replaces BS 12:Part 2:1971 and partially replaces BS 4248:1974.
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替代本标准的新标准
