
Methods of test for dense shaped refractory products?- Part?1: Determination of bulk density, apparent porosity and true porosity; German version EN?993-1:2018
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Methods of test for dense shaped refractory products?- Part?1: Determination of bulk density, apparent porosity and true porosity; German version EN?993-1:2018
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频