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 GB/T 14202-1993  
Iron ores (sinter and pellets)--Determination of bulk density

铁矿石(烧结矿、球团矿) 容积密度测定方法
 GB/T 14158-1993  
Synthetical survey code for regional hydrogeology,engineering geology and environmental geology

区域水文地质工程地质环境地质综合勘查规范(比例尺1∶50000)
 GB/T 14114-1993  
General principles of measuring methods of V/F and F/V converters for semiconductor integrated circuits

半导体集成电路电压/频率和频率/电压转换器测试方法的基本原理
 GB/T 14111-1993  
Blank detail specificationfor thyratorns and gas-filled rectifier tubes

闸流管与充气整流管空白详细规范 (可供认证用)
 GB/T 14119-1993  
Blankdetail specification for semiconductor inte-grated circuit fusible-link programmable bipolar read-only memories

半导体集成电路双极熔丝式可编程只读存储器空白详细规范(可供认证用)

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