Mechanical pencils - Part 3: Black leads - Bending strengths of HB leads
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StandardSwedish standard
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SS-ISO 9177-3
Mechanical pencils - Part 3: Black leads - Bending strengths of HB leads
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Mechanical pencils - Part 3: Black leads - Bending strengths of HB leads
Subscribe on standards with our subscription service. When you use our service you can be assured the latest editions and easy access.
Read more about SIS Subscriptions