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  • GB/T 2677.4-1993造纸原料水抽出物含量的测定Fibrous raw material—Determination of water solubility...2022-11-27
  • SJ 20219-1992WT12型螺杆驱动线绕预调电位器详细规范Potentiometers,Preset,Wire-wound,Lead-screw actuated,Style ...2022-11-27
  • QJ 2283-1992高超声速风洞测力标准模型试验规范2022-11-27
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  • AQ 2079-2020海洋石油生产设施发证检验工作通则2022-11-27
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  • JB/T 9527-1999点焊设备圆锥塞规和圆锥环规Spot welding equipment-taper plug gauges and taper ring gauges...2022-11-27
  • GB/T 1525-2006制图纸Design paper2022-11-27
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  • WB/T 1086-2018煤炭仓储服务规范2022-11-27
  • GA 248.2-2000边防管理船舶信息代码.第2部分:船舶用途代码Code for the information of fishing boat under the fron...2022-11-27
  • GB/T 18661-2020金属卤化物灯(钪钠系列) 性能要求2022-11-27
  • QB/T 5502-2020开菲尔发酵剂2022-11-27
  • LY/T 1598-2011石膏刨花板2022-11-27
  • GB/T 23482-2009开式压力机.术语Open front mechanical power presses - Vocabulary2022-11-27
  • GB/T 3087-2008低中压锅炉用无缝钢管2022-11-27
  • SL 237-040-1999土工试验规程—冻土融化压缩试验2022-11-27
  • GB/T 18895-2002面向翻译的术语编纂Translation-oriented terminography2022-11-27
  • HG/T 4459-2012塑料 增塑剂在液体介质条件下抽出的测定2022-11-27
  • GB/T 18244-2000建筑防水材料老化试验方法Test methods for resistance to weathering pf building water proofing ...2022-11-27