水质一甲基肼的测定对二甲氨基苯甲醛分光光度法
Water quality-Determination of monomethyl hydrazine-p-Dimethylaminobenzaldehyde spectrophotometric method
检测标准
声学水声材料样品插入损失、回声 降低和吸声系数的测量方法
Acoustics-Measurement methods of Insertion loss,echo reduction and soundnabsorption coefficient for underwater acoustical material samples
声学标准超声功率源
Acoustics-Standard ultrasonic power source
锥柄麻花钻 第 3部分:莫氏锥柄加长麻花钻 的型式和尺寸
Taper shank twist drills-Part 3:The types and dimensionsnfor lengthened Morse taper shank twist drills
锥柄麻花钻 第2部分:莫氏锥柄长麻花钻的型式和尺寸
Taper shank twist drills-Part 2: The types and dimensions for long Morse taper shank twist drills
锥柄麻花钻 第4部分:莫氏锥柄超长麻花钻的型式和尺寸
Taper shank twist drills-Part 4:The types and dimensions extra-longnfor Morse taper shank twist drills
锥柄麻花钻 第1部分:莫氏锥柄麻花钻的型式和尺寸
Taper shank twist drills-Part 1:The types and dimensions for Morse taper shank twist drills
工程陶瓷冲击韧性试验方法
Test method for impact toughness of high performance ceramics
木工机床 通用技术条件
Woodworking machines-General specifications
管道用三通过滤器
Tee strainers for fluids for pipes
