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MS ISO 9177-1:2003 (CONFIRMED:2012)
Mechanical pencils - Part 1: Classification, dimensions, performance requirements and testing (ISO 9177-1:1989, IDT)
This part of ISO 9177 specifies a classification, dimensions, performance requirements and testing for hand-held mechanical pencils used for draughting and writing.
1st Confirmation
N/A
PDF
01/08/2019
14
NSC 06 - Mechanical Engineering
97.180
15.00