Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 18252-2020 |
Plastics piping and ducting systems — Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation 塑料管道系统 用外推法确定热塑性塑料材料以管材形式的长期静液压强度 |
China National Standards extrapolation |
English PDF |
GB/T 24276-2009 |
A method of temperature-rise assessment by extrapolation for partially type-tested assemblies (PTTA) of low-voltage switchgear and controlgear 评估部分型式试验的低压成套开关设备和控制设备(PTTA)温升的外推法 |
China National Standards extrapolation |
English PDF |
GB/T 18252-2008 |
Plastics piping and ducting systems - Determination of the long - term hydrostatic strength of thermoplastics materials in pipe form by extrapolation 塑料管道系统 用外推法确定热塑性塑料材料以管材形式的长期静液压强度 |
China National Standards extrapolation |
English PDF |
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