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电气技术用字母符号.第2部分:远程通信和电子学
Letter symbols to be used in electrical technology - Part 2 : telecommunications and electronics.
参考页数：80P;A4
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电工技术用字母符号.第3部分:对数和相关量及其单位
Letter symbols to be used in electrical technology - Part 3 : logarithmic and related quantities and their units.
参考页数：16P.;A4
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木材和木基制品用符号
Symbols for timber and wood-based products.
参考页数：14P.;A4
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钢管、配件和结构空心型材.用于产品标准的术语的符号和定义
Steel tubes, fittings and structural hollow sections - Symbols and definitions of terms for use in product standards.
参考页数：17P.;A4
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建筑物通风.符号、术语和图形符号
Ventilation for buildings - Symbols, terminology and graphical symbols.
参考页数：60P.;A4
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轨道交通.空气动力学.第1部分:符号和单位
Railway applications - Aerodynamics - Part 1 : symbols and units.
参考页数：16P.;A4
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脚轮和车轮.试验方法和装置
Castors and wheels. Test methods and apparatus.
参考页数：26P.;A4
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齿轮国际符号表示法.几何数据符号
International gear notation. Symbols for geometrical data.
参考页数：8P.;A4
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电气技术用字母符号.第2部分:电信和电子学
Letter symbols to be used in electrical technology - Part 2 : telecommunications and electronics.
参考页数：60P.;A4
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量和单位.第2部分:自然科学和技术中使用的数学标志与符号
Quantities and units - Part 2: mathematical signs and symbols to be used in the natural sciences and technology
参考页数：51P;A4
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