BS EN ISO 9692-1:2013 Welding and allied processes. Types of joint preparation. Manual metal arc welding, gas-shielded metal arc welding, gas welding, TIG welding and beam welding of steels
2013BS EN ISO 9692-1:2013 Welding and allied processes. Types of joint preparation. Manual metal arc welding, gas-shielded metal arc welding, gas welding, TIG welding and beam welding of steels
2003BS EN ISO 9692-1:2003 Welding and allied processes - Recommendations for joint preparation - Manual metal-arc welding, gas-shielded metal-arc welding, gas welding, TIG welding and beam welding of steels