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绘图与书写仪器.圆珠笔和滚珠笔.词汇
Drawing and writing instruments - Ball point pens and roller ball pens - Vocabulary
参考页数：4P.;A4
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技术制图用自动铅笔.第1部分:分类,尺寸规格,性能要求和测试
Mechanical pencils for technical drawings - Part 1: Classification, dimensions, performance requirements and testing
参考页数：7P.;A4
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书写和标记器具. 用于降低窒息风险的笔帽规范
Writing and marking instruments - Specification for caps to reduce the risk of asphyxiation
参考页数：14P.;A4
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Mechanical pencils and leads for general use - Classification, dimensions, quality and test methods - Part 2 : black leads
参考页数：20P.;A4
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Mechanical pencils and leads for general use - Classification, dimensions, quality and test methods - Part 1 : mechanical pencils
参考页数：18P.;A4
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自动铅笔的笔芯
Leads for mechanical pencils
参考页数：26P;A4
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