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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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绘图仪尺.术语、检验规则、标志、包装、运输、贮存
Drawing ruler - Terminology, inspect regulations and mark, package, transport, storage
参考页数：5P.;A4
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绘图仪尺.绘图模板
Drawing ruler - Drawing template
参考页数：6P.;A4
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绘图仪尺.量角器
Drawing ruler - Protractor
参考页数：5P.;A4
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绘图仪尺.丁字尺
Drawing ruler - T-square
参考页数：6P.;A4
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绘图仪尺.比例尺
Drawing ruler - Reduction flat ruler and triangle scale
参考页数：6P.;A4
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绘图仪尺.三角尺
Drawing ruler - Triangle set square
参考页数：7P.;A4
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绘图仪尺.直尺
Drawing ruler - Flat ruler
参考页数：6P.;A4
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书写工具和标记工具. 减少窒息危险的端盖用规格
Writing and marking instruments.Specification for end closures to reduce the risk of asphyxiation
参考页数：14P.;A4
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制图室用三角板(固定式、可调节式)规范
Specification for set squares (fixed and adjustable) for drawing office use
参考页数：8P.;A4
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