MS Preview
MS ISO 9177-2:2003 (CONFIRMED:2012)
MECHANICAL PENCILS - PART 2: BLACK LEADS - CLASSIFICATION AND DIMENSIONS (ISO 9177-2:1989, IDT)
This part of ISO 9177 specifies a classification and dimensions for black leads used for mechanical pencils. Two types of black leads are available : - polymer leads (designated by the letter “P”) - ceramic leads (designated by the letter “C”)
1st Confirmation
N/A
PDF
01/08/2019
9
NSC 06 - Mechanical Engineering
97.180
15.00