NF E04-709*NF ISO 9180:1989
Black leads for wood-cased pencils. Classification and diameters.

Standard No.

NF E04-709*NF ISO 9180:1989

Release Date

1989

Published By

Association Francaise de Normalisation

Latest

NF E04-709*NF ISO 9180:1989

Replace

NF E04-709:1987

NF E04-709*NF ISO 9180:1989 history

• 1989 NF E04-709*NF ISO 9180:1989 Black leads for wood-cased pencils. Classification and diameters.
• 0000 NF E04-709:1987