Petroleum and natural gas industries - Cements and materials for well cementing - Part 6: Methods for determining the static gel strength of cement formulations (ISO 10426-6:2008); English version EN ISO 10426-6:2008— 15 стр.
Vitreous and porcelain enamels - Determination of resistance to sulfuric acid at room temperature (ISO 8290:1998); German version EN ISO 8290:1998— 8 стр.
Vitreous and porcelain enamels - Determination of resistance to sulfuric acid at room temperature (ISO 8290:1998); German version EN ISO 8290:1998— 8 стр.