System of building design documents. Anticorrosive protection of technological apparatus, gas pipes and pipelines. Working drawings
Document status: Active
System of design documents for construction. Industrial process automation. Instrumentation symbols for use in diagrams
Document status: Replaced by GOST 21.208-2013
Non-destructive testing. Method of magnetic particle testing
Document status: Withdrawn
Bent and glued blanks. Specifications
Document status: Replaced by GOST 21178-2006
