The technical translator's work is a daily struggle to keep their knowledge up to date, the more difficult task when in most cases he is the first thing to deal with in your language to explain new technologies emerge. This work took up the challenge of selecting and ordering the huge accumulated material, making available to the group of users that do not contain material dictionaries published years ago. The vocabulary chosen is based on a fundamental fact: the standard or regulation by official organs of industrial development, unifying also the language used in this field. In the past we have national standards for the unification of the continent-wide standards, while the technical dictionaries so far only considered this intervention had marginally. And it should be because the fixed standard, even in its smallest details the true meaning of the name used, constituting a definition exactísima and easily distinguished from the technical concept of reference. This terminology has the advantage of not being perishable, because although the drafting of technical standards adapted to the passage of time, the term used is not changed. More than half of the vocabulary of this work comes from a careful selection among the titles of the standards considered most important. The rest comes from a selection of concepts from encyclopedias such modern techniques, which has not yet been considered the standard, which is why many times have you be a more characteristic of an encyclopedia than a dictionary, but what matters is the accurate idea, from which the practitioner can transmit it. Among the German-Spanish and Spanish-German part has sandwiched a very useful booklet: contains the titles of the most common standards used in Europe, ordered by their numbering. For anyone related to technical terms , translators, interpreters, translation and interpretation students.