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ISO 9177-1:1989
M00003093
New product
ISO 9177-1:1989 Mechanical pencils -- Part 1: Classification, dimensions, performance requirements and testing
standard by International Organization for Standardization, 03/01/1989
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Full Description
This part of ISO 9177 specifies a classification, dimensions, performance requirements and testing for hand-held mechanical pencils used for draughting and writing.