BS ISO 13263. Thermoplastics piping systems for non-pressure underground drainage and sewerage. Thermoplastics fittings. Test method for impact strength
BS ISO 13263 无压地下排水和下水道用热塑性塑料管道系统 热塑性塑料配件 冲击强度试验方法
发布日期:
2009-03-05
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