Portaminas. Parte 2: Minas de Grafito. Clasificación y dimensiones.
MECHANICAL PENCILS. PART 2: BLACK LEADS. CLASSIFICATION AND DIMENSIONS.
PORTE-MINE. PARTIE 2: MINES GRAPHITE. CLASSIFICATION ET DIMENSIONS.
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01.100.40 / Drawing equipment
CTN 1 - General standards
ISO 9177-2:1989 (Identical)
This standard is available in:
Print and digital format
Spanish
