MATERIALES METALICOS. TUBOS. ENSAYO DE APLASTAMIENTO
METALLIC MATERIALS. TUBE. FLATTENING TEST.
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CTN 7 - Testing of materials
ISO 8492:1986 (Identical)
It is cancelled by: UNE-EN 10233:1994
Cancel: UNE 7208:1964
Cancel: UNE 37026:1984