Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 13: Upset (resistance butt) and flash welding (ISO 15614-13:2012); German version EN ISO 15614-13:2012— 22 стр.
Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 13: Resistance butt and flash welding (ISO 15614-13:2005); German version EN ISO 15614-13:2005— 22 стр.