NF A89-010-10:1996 SPECIFICATION AND APPROVAL OF WELDING PROCEDURES FOR METALLIC MATERIALS. PART 10 : WELDING PROCEDURE SPECIFICATION FOR ELECTRON BEAM WELDING. (EUROPEAN STANDARD EN ISO 9956-10).
1996NF A89-010-10:1996 SPECIFICATION AND APPROVAL OF WELDING PROCEDURES FOR METALLIC MATERIALS. PART 10 : WELDING PROCEDURE SPECIFICATION FOR ELECTRON BEAM WELDING. (EUROPEAN STANDARD EN ISO 9956-10).