Procedures of use of welding materials during fabrication installation repair and modernization of technical systems for hazardous production facilities
Procedural ordinance on development and contents of section 'Safe operation of production facilities' of process regulations. RD 09-251-98 (approved by the Resolution No. 77 dated 18.12.1998 of Gosgortechnadzor of Russia) (rev. as of 21.11.2002)