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Mining equipment. Multifunctional safety systems for underground mine facilities. Positioning and search for workers. General technical requirements
Document status: Active
Dust suppression and prevention of freezing with the usage of products based on calcium chloride, magnesium chloride and sodium chloride
Document status: Active
System of design documents for construction. Heat supply systems (thermomechanical part). Working drawings
Document status: Replaced by GOST 21.705-2016