State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means of measuring quantity of heat of solution and heat of reactions
System of product-quality indices. Power, small, measuring transformer. Complete transformer substations. High-voltage bushings. Nomenclature of indices
Broaches with diameter from 70 to 90 mm for slitting holes with involute profile and centering at outside diameter with module from 3,5 to 5 mm. Double driven. Construction and dimensions
