Dibujos técnicos. Referencia de los elementos. (ISO 6433:1981).
TECHNICAL DRAWINGS. ITEM REFERENCES. (ISO 6433:1981).
DESSINS TECHNIQUES. REPÈRES DES ÉLÉMENTS. (ISO 6433:1981).
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01.100.01 / Technical drawings in general
CTN 1 - General standards
EN ISO 6433:1994 (Identical)
ISO 6433:1981 (Identical)
It is cancelled by: UNE-EN ISO 6433:2012 (Ratificada)
Cancel: UNE 1100:1983