
Mechanical Pencils - Part 2: Black Leads - Classification And Dimensions
出版:South African Bureau of Standards

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基本信息
标准编号: SANS 9177-2:1989
标准类别:Standard
出版单位:South African Bureau of Standards
标准页数:8
标准简介
Describes a classification and dimensions for black leads used for mechanical pencils.
标准备注
Issue Date: 16/01/1995. (11/2008)
等同采用的国际标准
ISO 9177-2:1989 - Identical