Testing of Insulating Materials - Determination of the Dielectric Constant (Relative Permittivity) and of the Loss Factor - Measuring Equipment— 4 стр.
Ships and marine technology - Loose flanges and welding necks extra light duty - Welding necks made from steel and stainless steel DN 32 to DN 50, up to PN 25, DN 65 to DN 125, up to PN 10— 3 стр.