200g x0.001g Lab Analytical Balance Scale, 1mg High Precision Scientific Scale Laboratory Instrument with 100g Calibration Weight, Suit for School Lab(US Plug) : Amazon.ca: Industrial & Scientific
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Amazon.com: Eosphorus Ounce and Gram Scale 0.01g Accuracy Mass Balance Chemistry Digital Scale Electronic LCD Science Lab Laboratory Digital Scale - USB Charger and AC/DC Adapter Included : Office Products
Amazon.com: Eosphorus Ounce and Gram Scale 0.01g Accuracy Mass Balance Chemistry Digital Scale Electronic LCD Science Lab Laboratory Digital Scale - USB Charger and AC/DC Adapter Included : Office Products