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เครื่องวัดคลอรีน
1 × ฿3,103.00 -
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น้ำยามาตรฐานสอบเทียบ ค่ามาตรฐานความเค็ม
1 × ฿1,444.50
Subtotal: ฿4,547.50
TDS 1500 mg/L (ppm) Calibration Solution.
TDS = total disolved solids
| Weight | 0.000 kg |
|---|
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