00533naa#a2200169#i#450# EN\\bibl\80797 20241212001059.4 2076-0655 20180625b2018####ek#y0engy0150####ca RUS RU The gas permeability of the porous ceramics with electrofusion corundum and porcelain binder Journal article Moscow Individual Entrepreneur Svetlana Vasilievna Samchenko 2018 4 с. Journal article local Zaw Ye Maw Oo tsilicates.ru