Water flow measurement in hydromelioration and water supply systems. Manner of measurement of water discharge using the ultrasonic (acoustic) velocity meters. General technical requirements
State system for ensuring the uniformity of measurements. State verification schedule for provided with measuring functions technical systems and devices, accomplishing for measuring the volumes (amounts) of the digital information (data), transmitted over the Internet and telephony channels
Medical electrical equipment. Part 2-45. Particular requirements for the basic safety and essential performance of mammographic X-ray equipment and mammographic stereotactic devices
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