NF ISO 9177-3

December 1994

Standard Cancelled

Mechanical pencils. Part 3 : black leads. Bending strengths of hb leads.

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Main informations

Collections

National standards and national normative documents

Publication date

December 1994

Number of pages

6 p.

Reference

NF ISO 9177-3

ICS Codes

01.100.40 Drawing equipment

Classification index

E04-707-3

Print number

1 - 01/12/1994

International kinship

ISO 9177-3:1994

Replaced standards (1)

E04-707-3

December 1993

Standard Cancelled

Technical drawings. Mechanical pencils. Part 3 : black leads. Bending strengths of HB leads.

Dans la série des normes E 04-7... qui concerne les instruments de dessin, le présent document traite des porte-mines à mines graphite et indique la résistance en fonction du diamètre nominal. Il présente également le banc et la méthode d'essai de résistance à la flexion.

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