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石油化工配管工程常用缩略语
Abbreviations of piping engineering in petrochemical industry
参考页数：16P.;A4
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石油化工配管工程设计图例
Symbols of piping engineering in petrochemical industry
参考页数：43P.;A4
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石油化工配管工程术语
Terms of piping engineering in petrochemical industry
参考页数：71P.;A4
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工业系统、装置与设备以及工业产品 结构原则与参照代号 第2部分:项目的分类与分类码
Industrial systems, installations and equipment and industrial products.Structuring principles and reference designations.Part 2:Classification of objects and codes for classes
参考页数：39P.;A4
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BS EN 系列标准的工程制图用欧洲标准指南
Guide to the European Standards for engineering drawing in the BS EN series
参考页数：35P.;A4
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中国文化遗产标志
The sign of China cultural heritage
价格：￥0.00
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电气元器件的标准数据元素类型和相关分类模式.第4部分:IEC标准数据元素类型和元器件类别基准集
Standard data element types with associated classification scheme for electric components.Part 4:IEC reference collection of standard data element types and component classes
价格：￥0.00
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技术文件用图形符号表示规则.第3部分:连接点、网络的分类及其编码
Rules for the presentation of graphical symbols-Gaphical symbols for use in the technical documentation of products-Part 3: Classification of connect notes,networks and their encoding
价格：￥0.00
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电气设备用图形符号 第1部分:概述与分类
Graphical symbols for use on electrical equipment-Part1:Overview and classification
价格：￥0.00
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简图用图形符号.第4部分;调节器及其相关设备
Graphical symbols for diagrams.part 4:Actuators and related devices
价格：￥0.00
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