17/30321961 DC
BS ISO 20318-1. Mechanical pencils and leads for general use. Classification, dimensions, quality and test methods.Part 1. Mechanical pencils. Part 1: Mechanical pencils

Standard No.

17/30321961 DC

Release Date

2017

Published By

British Standards Institution (BSI)

Latest

17/30321961 DC

17/30321961 DC history

• 0000 17/30321961 DC