Specification and qualification of welding procedures for metallic materials -- Welding procedure test -- Part 12: Spot, seam and projection welding— 16 стр.
Specification and qualification of welding procedures for metallic materials -- Welding procedure test -- Part 12: Spot, seam and projection welding— 16 стр.
Portable fire extinguishers. Additional requirements to EN 3-7 for the construction, resistance to pressure and mechanical tests for extinguishers with a maximum allowable pressure equal to or lower than 30 bar— 32 стр.
Resistance welding. Weldability. General requirements for the evaluation of weldability for resistance spot, seam and projection welding of metallic materials— 18 стр.