GB/T 14229-2021 齿轮接触疲劳强度试验方法
GB/T 14229-2021.Test method of surface contact strength for gear load capacity.1...
国家标准2023.08.07
GB/T 14229-2021.Test method of surface contact strength for gear load capacity.1...
国家标准2023.08.07
GB/T 3480.5-2021.Calculation of load capacity of spur and helical gears-Part 5 :...
国家标准2023.08.07
HG/T 3506-1999.Surface active agents-Determination of electrical conductivity of...
行业标准2023.08.07
GB/T 40285-2021.Technical specification for dam safety analysis and evaluation s...
国家标准2023.08.07
GB/T 40136-2021.Technical specifications for planting pseudostellaria radix.1范围G...
国家标准2023.08.07
HG/T 3502-2008.1范围HG/T 3502规定了工业癸二酸二辛酯(缩写DOS) 的要求、试验方法、检验规则、标志、包装、运输和贮存。HG/T 350...
行业标准2023.08.07
GB/T 40120-2021.Agricultural irrigation equipment-Thermoplastic collapsible hose...
国家标准2023.08.07
YY/T 0587-2018 .Sterile dental injection needles for single use.YY/T 0587规定了一次性使...
行业标准2023.08.07
GB/T 23294-2021.Abrasion resistant refractory materials.1范围GB/T 23294规定了耐磨耐火材料的术...
国家标准2023.08.07
GB/T 40007-2021.Nanotechnology—Contacting methods for measuring the resistivity...
国家标准2023.08.07