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ENGLISH * SAME AS ISO TR 20173

 

Document History

  1. AENOR UNE-CEN ISO/TR 20173 IN

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    Welding - Grouping systems for materials - American materials (ISO/TR 20173:2018)

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  2. AENOR UNE-CEN ISO/TR 20173 IN


    Welding - Grouping systems for materials - American materials (ISO/TR 20173:2009)

    • Historical Version