DB32 T 3398-2018 电梯维保单位星级评定规范.pdf

相关资源

DB5301 T 44—2020 电梯维保单位星级评定规范.pdf

DB3301 T 0274-2018 电梯维保单位星级评定规范.pdf

猜你喜欢

JIS Z 2286-2003 Method for high temperature rotating bending fatigue testing of metallic materials《金属材料高温旋转弯曲疲劳试验方法》.pdf

JIS Z 2290-2004 General rules for high-temperature corrosion test of metallic materials《金属材料高温腐蚀试验的一般规则》.pdf

JIS Z 2291-2004 Method for high-temperature gaseous corrosion test of metallic materials《金属材料高温气体腐蚀试验的方法》.pdf

JIS Z 2292-2004 Method for high-temperature corrosion test of metallic materials by salt coating《金属材料盐覆层的高温腐蚀试验方法》.pdf

JIS Z 2293-2004 Methods for high-temperature corrosion test of metallic materials by dipping and embedding in molten salts《熔盐中浸入和嵌入的金属材料的高温腐蚀试验方法》.pdf

JIS Z 2294-2004 Method for high-temperature electrochemical corrosion test of metallic materials in molten salts《熔盐中金属材料的高温电化学腐蚀试验方法》.pdf

JIS Z 2305-2013 6250 Non-destructive testing -- Qualification and certification of NDT personnel《无损检测 无损检测(NDT)人员的资格鉴定与认证》.pdf

JIS Z 2306-2015 6875 Radiographic image quality indicators for non-destructive testing《无损检验用放射性图像质量显示器》.pdf

JIS Z 2307-2017 8750 Determination of the image unsharpness value using duplex wire-type image quality indicators《利用双芯线型图像质量指示器测定不清晰图像值》.pdf