NBN S 01-013-1979 6875 Acoustics - Standard reference zero for the calibration of pure-tone audiometers《声学 纯音听度计的校准的正常参考零刻度》.pdf

相关资源

NBN E 18-001-1976 2500 《通过热电偶的比较进行的校准》.pdf

NBN T 97-101-1979 1875 Preparation of calibration gas mixtures - Weighing method《校准混合气的配制 称重法》.pdf

NBN T 97-104-1979 5625 Preparation of gas mixtures for calibratlon using permeation tubes《用渗透管配制校准混合气》.pdf

NBN T 97-102-1979 3125 Preparation of calibration gas mixtures - Manometric method《校准混合气的配制 测压法》.pdf

NBN T 97-107-1980 8750 Preparation of calibration gas mixtures using plastic bags《用塑料袋配制校准混合气》.pdf

NBN X 50-006-1988 6875 Quality assurance - Requirements for measurement and calibration Systems《质量保证 测量和校准系统的要求》.pdf

NBN T 97-103-1979 1250 Preparation of calibration gas mixtures - Method with mixing piston pumps《校准混合气的配制 混合活塞泵方法》.pdf

NBN E 17-005-1988 9375 《流量测量仪器的使用和校准中的不精确性的估计》.pdf

NBN T 97-106-1980 4375 Preparation of calibration gas mixtures - Preparation and or analysis certificate《校准混合气的配制 配制和（或）化验证书》.pdf

NBN T 97-110-1983 5625 Gas analysis - Preparation of calibration gas mixtures - Static volumetric methods《气体分析 校准混合气的配制 静态容积法》.pdf

猜你喜欢

BS EN ISO 17642-1-2004 Destructive tests on welds in metallic materials - Cold cracking tests for weldments - Arc welding processes - General《金属材料中焊接的有损检验 焊接的冷裂试验 弧焊工艺 总则》.pdf

BS EN ISO 17642-2-2005 Destructive tests on welds in metallic materials - Cold cracking tests for weldments - Arc welding processes - Self-restraint tests《金属材料焊接的有损试验 焊接的冷裂试验 弧焊工艺 .pdf

BS EN ISO 17642-3-2005 Destructive tests on welds in metallic materials - Cold cracking tests for weldments - Arc welding processes - Externally loaded tests《金属材料焊接的有损检验 焊接的冷裂试验 弧焊.pdf

BS EN ISO 17643-2015 Non-destructive testing of welds Eddy current examination of welds by complex plane analysis《焊接的无损检测 通过综合平面分析检验焊接的边缘电流》.pdf

BS EN ISO 17652-1-2003 Welding - Test for shop primers in relation to welding and allied processes - General requirements《焊接 有关焊接和相关工艺的工厂底漆的试验 一般要求》.pdf

BS EN ISO 17652-2-2003 Welding - Test for shop primers in relation to welding and allied processes - Welding properties of shop primers《焊接 有关焊接和相关工艺有关的工厂底漆的试验 工厂底漆的焊接特性》.pdf

BS EN ISO 17652-3-2003 Welding - Test for shop primers in relation to welding and allied processes - Thermal cutting《焊接 有关焊接和相关工艺有关的工厂底漆的试验 热切割》.pdf

BS EN ISO 17652-4-2003 Welding - Test for shop primers in relation to welding and allied processes - Emission of fumes and gases《焊接 有关焊接和相关工艺有关的工厂底漆的试验 烟气排放》.pdf

BS EN ISO 17653-2012 Resistance welding Destructive tests on welds in metallic materials Torsion test of resistance spot welds《金属材料接头的破坏检验 电阻点焊的扭转试验》.pdf