Refrigerating systems and heat pumps. Safety and environmental requirements. Part 2. Design, construction, manufacture, testing, marking and documentation
State system for ensuring the uniformity of measurements. Standard reference data. Titanium alloys of VT Brend. Speed of sound, relative temperature expansion, density and Young's modulus in the temperature range from 20 °С to 800 °С
Communication networks and systems in substation. Part 7-4. Basic communication structure for substation and feeder equipment. Compatible logical node classes and data classes
€10
Ask a question
Message sent
Your message has been sent. Our experts will respond you shortly. Thank you!