CNS 6209:1980
Determination of water content of urea for industrial use by Karl Fischer method 工業用尿素含水量測定法(karl fischer method) |
CNS 500:1978
ISO Metric Fine Screw Threads (Diameters from 4 to 8mm and Pitches 0.5 to 0.75mm) 公制細螺紋3(iso制)(標稱直徑4至8公釐,螺距0.5至0.75公釐) |
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