State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of power of electromagnetic oscillations in coaxial and waveguide lines in the frequency range 0,03 to 37,5 GHz
Occupational safety standards system. Fire and explosion hazard of substances and materials. Nomenclature of indices and methods of their determination
€10
Ask a question
Message sent
Your message has been sent. Our experts will respond you shortly. Thank you!