State system for ensuring the uniformity of measurements. State primary standard and state verification schedule for means measuring electrical resistance
Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBO`s). Part 2-1. Applicability of the general rules to RCBO's functionally independent of line voltage
Unified system for technological documentation. Forms and rules for paperwork on the technological processes of obtaining coatings, including using additive production
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