Graphical representation of welds, soldering and brazing joints; welding positions, slope, rotation, directives of welding positions on the pipe (examples)— 4 стр.
Graphical representation of welds, soldering and brazing joints; welding positions, slope, rotation, directives of welding positions on the pipe (examples)— 4 стр.
Graphical representation of welds, soldering and brazing joints; welding positions, slope, rotation, directives of welding positions on the pipe (examples)— 4 стр.
Sampling for the purpose of determining the concentration of air pollutants within the operator's breathing zone during welding and allied processes— 6 стр.