BS EN 4632-004:2012 Aerospace series. Weldability and brazeability of materials in aerospace constructions. Welding and brazing of homogeneous assemblies of high alloyed steels
2012BS EN 4632-004:2012 Aerospace series. Weldability and brazeability of materials in aerospace constructions. Welding and brazing of homogeneous assemblies of high alloyed steels