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康威氏皿
Conway Dish
HANNA Instruments 基礎級 EC 5,000 μS/cm 標準液 (@25℃) 500 mL HI7039L
HI7039L 5000 µS/cm Conductivity Standard (500 mL Bottle)
HANNA Instruments 氯化鉀粉狀測試包 (100包) HI70404
Potassium Iodide Powder Packets, 100 Packets - HI70404
FIRSTEK 桌上型恆溫恆濕機
Environmental Chamber