NF A89-010-11:1996 SPECIFICATION AND APPROVAL OF WELDING PROCEDURES FOR METALLIC MATERIALS. PART 11 : WELDING PROCEDURE SPECIFICATION FOR LASER BEAM WELDING. (EUROPEAN STANDARD EN ISO 9956-11).
1996NF A89-010-11:1996 SPECIFICATION AND APPROVAL OF WELDING PROCEDURES FOR METALLIC MATERIALS. PART 11 : WELDING PROCEDURE SPECIFICATION FOR LASER BEAM WELDING. (EUROPEAN STANDARD EN ISO 9956-11).