Determination of roughnesse parameters R<(Index)a>, R<(Index)z>, R<(Index)max> by means of electrical stylus instruments; conversation of parameter R<(Index)a> to R<(Index)z> and vice versa— 2 стр.
Steel fixed site pressurized LPG tanks for underground installation; exterior corrosion protecting coating with special performance against chemical and mechanical attacks— 7 стр.