ASTM%2046C%20Kinematic%20Viscosity%20Thermometer%2C%2048.6%20to%2051.4%C2%B0C%2C%20Mercury%20Fill.
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ASTM%2048C%20Kinematic%20Viscosity%20Thermometer%2C%2080.6%20to%2083.4%C2%B0C%2C%20Mercury%20Fill.
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