Boxes and enclosures for electrical accessories for household and similar fixed electrical installations. Part 24. Particular requirements for enclosures for housing protective devices and similar power consuming devices
State system for ensuring the uniformity of measurements. National standard. Standard reference data. Titanium. Lattice constants for the temperature range from 5 K to 300 К. Linear temperature expansion coefficient for the temperature range from 5 К to 1200 К
Design calculation and strength testings. Methods of mechanical testing of polymeric composite materials. Test for tensile properties on plane specimens at normal, elevated and law temperatures
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