liuxilin1215 发表于 2015-8-30 19:01:30

EN 1288-2-2000 Glass in building - Determination of the bending strength of glas

EN 1288-2-2000 Glass in building - Determination of the bending strength of glass - Part 2: Coaxial double ring test on flat specimens with large test surface areas

admin 发表于 2015-8-31 10:55:57

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