51465 ⎘
General aspects of processes or apparatus for joining preformed parts; General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles; Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles; Joining tubular articles, bars or profiled elements; Joining bars for forming corner connections, e.g. for making V-shaped pieces with a right angle, e.g. for making L-shaped pieces