SNI 06-6441-2000 Test methods for viscosity of oil asphalt using Brookfield thermosel apparatus《使用布鲁克菲尔德恒温加热器测试石油沥青粘度的方法》.pdf

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STAS 9555-1974 SYNTHETIC RESINS Determination of Brookfield viscosity《合成树脂 布鲁克菲尔德粘度的测定 》.pdf

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