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Improvements in welding transformers that offers two welding characteristics to choose from that cross, characterized in that their connection allows to obtain the desired crossing of the welding characteristics to be chosen, without for that purpose having to apply an economizing connection. (Machine-translation by Google Translate, not legally binding)
ES375841A1970-01-231970-01-23Improvements in transformers for welding. (Machine-translation by Google Translate, not legally binding)
ExpiredES375841A3
(en)
Procedure for the formation of viaducts and provisional bridges through special elements (Machine-translation by Google Translate, not legally binding)