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
Methods and means of maintenance of protection of products of rocket and space-rocket technics from a static electricity in the flight conditions. Requirements for creation and operation processes
Textiles. Methods for determination of certain aromatic amines from azo colorants. Part 1. Detection of the use of certain azo colorants accessible with and without extracting the fibres