%0 conference lecture %@ %A Mecklenburg, J., Cui, H., Szelagowski, P., Schafstall, H.-G. %D 1991 %J The Proceedings of the First (1991) International Offshore and Polar Engineering Conference (ISOPE '91) %P 347-354 %T Advantages of a combined GTAW- and GMAW-orbital system for mechanised underwater welding %U %X