System of building design documents. Graphical symbols and signs of elements of general layouts and transport
Document status: Replaced by GOST 21.204-2020
Electrical items. Earth terminals and earth signs. Design and dimensions
Document status: Active
Overhead travelling single-beam cranes. Specifications
Document status: Replaced by GOST 34589-2019
Explosionproof electrical apparatus. Type of protection 'e'. Technical requirements and methods of testing
Document status: Active
