"estimating " CNS Standards List| Piano actions | Resulphurized free | Limit Gages | Method Test | Pressure Regulators | Method test | Methods Chemical | Electric Irons | |
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CNS 9504
2017 Edition Methods for estimating average grain size of wrought copper and copper alloys 銅及銅合金展伸材料之晶粒尺度測定法 |
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CNS 9504
2012 Edition Methods for estimating average grain size of wrought copper and copper alloys 銅及銅合金展伸材料之晶粒尺度測定法 |
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