Testing of textiles ; determination of the ph value of fibre materials , method of extrapolation 纺织品的检验.用外推法测定纤维材料的ph值
Plastics piping and ducting systems - determination of the long - term hydrostatic strength of thermoplastics materials in pipe form by extrapolation 用外推法对热塑性塑料管材长期静液压强度的测定
A method of temperature - rise assessment by extrapolation for partially type - tested assemblies of low - voltage switchgear and controlgear 低压开关装置和控制装置部分定型试验组件用的外推法温升鉴定
Plastics piping and ducting systems - determination of the long - term hydrostatic strength of thermoplastics materials in pipe form by extrapolation 塑料管道和导管系统.用外推法测定热塑塑料管道的长期静液压强度
A method of temperature - rise assessment by extrapolation for partially - tested assemblies of low - voltage switchgear and controlgear ; amendment 1 低压开关装置和控制装置部分定型试验组件用的外推法温升鉴定.修改件1