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图形符号.安全色和安全标志.第4部分:安全标志材料的比色和光度特性
Graphical symbols - Safety colours and safety signs - Part 4: colorimetric and photometric properties of safety sign materials
参考页数:34P;A4
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图形符号.安全色和安全标志.第3部分:用于安全标志的图形符号的设计原理
Graphical symbols - Safety colours and safety signs - Part 3 : design principles for graphical symbols for use in safety signs.
参考页数:35P;A4
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可运输气瓶中除液化气瓶外的气瓶标识.第3部分:彩色编码.
Transportable gas cylinders - Gas cylinder identification (excluding LPG) - Part 3 : colour coding.
参考页数:16P;A4
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颜色.钢铁工厂.管道系统的标记
Colours. Iron and stellfactories. Marking of fluids in pipes.
参考页数:10P.;A4
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冲压工具.矩形剖面压缩弹簧.外壳的尺寸和色标编码.修改件1
Tools for pressing - Compression springs with rectangular section - Housing dimensions and colour coding - Amendment 1.
参考页数:5P;A4
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标准频率
Standard frequencies
价格:¥0.00
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海洋平台输送管路的识别颜色和符号
价格:¥0.00
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