Mechanical pencils: Part 3 : black leads - bending strengths of HB leads

Detalles Bibliográficos
Autor principal: International Organization for Standardization. Geneva
Lenguaje:eng
Publicado: ISO 1994
Materias:
Information Transfer and Management
Acceso en línea:http://cds.cern.ch/record/484882

Internet

http://cds.cern.ch/record/484882

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