Mechanical pencils for technical drawings — Part 2: Black leads — Classification and dimensions
Porte-mines pour le dessin technique — Partie 2: Mines graphite — Classification et dimensions
01.100.40 - Drawing equipment.
97.180 - Miscellaneous domestic and commercial equipment. Including scissors, aquarium equipment, articles for domestic animals, battery chargers, mops, insect electrocutors, lighters, matches, paper clips, pens, pencils, etc.
Anula a: ISO 9177-2:1989
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