LIBROS DEL AUTOR: helmut j helpenstein

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  • CAD Geometry Data Exchange Using STEP
    Helmut J. Helpenstein
    The Product Data Technology Advisory Group, short PDTAG, was established on 30 September 1992 under the auspices of the ESPRIT CIME Division of the Directorate General XIII of the European Commission. Its goals include promoting European cooperation and improving the European infrastructure in Product Data Technology, particularly in connection with t...
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