State system for ensuring the uniformity of measurements. State primary standard and all-union verification schedule for means measuring non-linear distortion ratio within frequency range from 20 up to 1000000 Hz
Automobile roads of general use. Exploitation. Requirements for the maintenance project and the project for the production of works (provision of services) on the maintenance
€25
Ask a question
Message sent
Your message has been sent. Our experts will respond you shortly. Thank you!