DIN 54406-2000 Testing of ion exchangers (bead form) - Determination of resistance to osmotic and hydromechanical stress《离子交换器试验(珠承型) 抗渗透和流体应力性能测定》.pdf

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DIN EN 1159-1-2007 Advanced technical ceramics - Ceramic composites - Thermophysical properties - Part 1 Determination of thermal expansion (includes Corrigendu.pdf

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