粘度测量方法
Methods of viscosity measurement
Methods of viscosity measurement
Servo-hydraulic test equipment for generating vibration Method of describing characteristics
Level
Methods of evaluation for image quality of electrostatic copies
Specifications of electronic flash equipments for photograph
Optics and optical instruments-Reference wavelengths
Camera-Part 1:Civil miniature camera
Household and similar electrical appliances-Safety Particular requirements for projectors and similar appliances
Safety requirements for industrial automation products Part 9:Safety requirements for digit display instrument
Safety requirements for industrial automation products Part 8: Safety requirements for electrical actuator