ASTM C412-2011 标准详情
- 标准号:ASTM C412-2011
- 中文标题:混凝土排水瓦管的标准规格
- 英文标题:standard specification for concrete drain tile
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2011-09-01
1.1 This specification covers concrete drain tile with internal diameters from 4 to 36 in. that are intended to be used for surface and subsurface drainage. 1.2 A complete metric companion to Specification C412 has been developedC412M; therefore, no
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