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【国际标准】 Mechanical pencils — Part 1: Classification, dimensions, performance requirements and testing
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标准简介适用范围：
暂无
标准号：
ISO 9177-1:2011 EN
标准名称：
Mechanical pencils — Part 1: Classification, dimensions, performance requirements and testing
英文名称：
Mechanical pencils — Part 1: Classification, dimensions, performance requirements and testing标准状态：
废止-
发布日期：
2011-11-07 -
实施日期：
出版语种：
EN
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