
En 993 Methods Of Test For Dense Shaped Refractory Products - Part 12: Determination Of Pyrometric Cone Equivalent (refractoriness)
出版:British Standards Institution

专家解读视频
En 993 Methods Of Test For Dense Shaped Refractory Products - Part 12: Determination Of Pyrometric Cone Equivalent (refractoriness)
出版:British Standards Institution
专家解读视频