DIBUJOS TECNICOS. DIBUJOS DE CONSTRUCCION. PARTE 1: DESIGNACION DE LOS EDIFICIOS Y SUS PARTES
TECHNICAL DRAWINGS. CONSTRUCTION DRAWINGS. PART 1: DESIGNATION OF BUILDINGS AND PARTS OF BUILDINGS.
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01.100.30 / Construction drawings
CTN 1 - General standards
ISO 4157-1:1980 EXCEPTO 6.2 Y (Identical)
It is cancelled by: UNE-EN ISO 4157-1:1999
