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DIN EN ISO 20769-2:2017-09

Отменен
Non-destructive testing - Radiographic inspection of corrosion and deposits in pipes by X- and gamma rays - Part 2: Double wall radiographic inspection (ISO/DIS 20769-2:2017); German and English version prEN ISO 20769-2:2017
DIN EN ISO 20769-2:2017-09
Отменен