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เครื่องควบคุมค่าความนำไฟฟ้า
1 × ฿29,425.00 -
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น้ำยามาตรฐานสอบเทียบ ค่ามาตรฐานความเค็ม
1 × ฿1,444.50
Subtotal: ฿30,869.50
HI740224 – 170 ml plastic beaker (6 pcs).
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