Plásticos. Determinación de la planicidad de materiales plásticos en forma de hojas, láminas, planchas o bloques.
PLASTICS. DETERMINATION OF THE FLATNESS OF THE MATERIALS IN FORM OF THE SHEETS, PLATES OR BLOCKS
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83.140.10 / Films and sheets
CTN 53/SC 6 - Specifications for commodities and test methods
It is cancelled by: UNE 53957:2003