DIBUJOS TECNICOS. TOLERANCIAS LINEALES Y ANGULARES. NOTACIONES EN LOS DIBUJOS
TECHNICAL DRAWING. LINEAR AND ANGULAR TOLERANCING. INDICATIONS ON DRAWINGS.
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01.100.01 / Technical drawings in general
CTN 1 - General standards
ISO 406:1982 (Identical)
It is cancelled by: UNE 1120:1996