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Electrical apparatus for explosive gas atmospheres. Part 2. Pressurized enclosures 'p'
Document status: Active
Electrical apparatus for use in the presence of combustible dust. Part 11. Protection by intrinsic safety 'iD'
Document status: Active
Natural circulation stationary steam boilers less then 4 t/h. General requirements
Document status: Active
Short circuit in electrical installations. Calculation methods of thermit and electrodynamic effects of short circuit currents
Document status: Replaced by GOST R 52736-2007