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Technograph 6077

lead type lead size available degrees/colors package quantity package composition production date origin	graphite 2 mm unknown 12 plastic circa 1980s Switzerland


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Technograph 6377

lead type lead size available degrees/colors package quantity package composition production date origin	graphite 3 mm unknown 6 plastic circa 1990s to present Switzerland
see also	Caran d’Ache Fixpencil 3