DuckCorp

DuckCorp Dico

(RFC 2229 compliant dictionary server)
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Found one definition 

  1.                 From V.E.R.A. -- Virtual Entity of Relevant Acronyms (August 2020):
                

    
                
                  
    STEP
       STandard for the External representation / Exchange of Product
data definition (ISO, DP 10303, CAD)