Russian standards PDF
Ellipsoidaldished heads flanged made of steel for vessels, apparatuses and boilers. Basis dimensions
Document status: Active
Standardization in the Russian Federation. National standards of the Russian Federation. Rules for development, taking over, reform and cancellation
Document status: Replaced by GOST R 1.2-2014
Cylindrical helical compression (extension) springs made of special steels and alloy. General specifications
Document status: Active