| Technical requirements and certification for procedures for welding metal materials. Technical requirements for the welding procedure
			                 Технические требования и аттестация процедур сварки металлических материалов. Технические требования к процедуре сварки.  | 
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												GOST 2.312-72Unified system for design documentation. … | 
									
										
												GOST R 22.0.02-94Emergency safety. Terms and definitions | 
									
										
												SNiP 23-02-2003Thermal Shielding of Buildings. |