A process for using an electroacoustical vibrator device arranged on a support and intended to be used in particular in machining and welding of elements, characterized in that it consists of modifying during use of the electroacoustical vibrator device the position of the latter with respect to its...http://www.google.es/patents/US4804131?utm_source=gb-gplus-sharePatente US4804131 - Process of use of an electroacoustical vibrator device and plant for carrying out this process
Process of use of an electroacoustical vibrator device and plant for ...
