Lineal, gerade, 20 cm, metrisch, 20 Stück : Amazon.de: Sonstiges
Lineal, metrisches Lineal, 15 cm / 20 cm / 30 cm, doppelseitig, Holz, 1 Stück 20cm : Amazon.de: Bürobedarf & Schreibwaren
Amazon.com: 8 inch Rulers | 20 cm Rulers | Transparent Plastic Ruler | Pack of 12 of Premium Quality Rulers | Yellow, Green, Red and Blue : Industrial & Scientific
Amazon.com: 8 inch Rulers | 20 cm Rulers | Transparent Plastic Ruler | Pack of 12 of Premium Quality Rulers | Yellow, Green, Red and Blue : Industrial & Scientific