: You may find excerpts of the standard in merged technical documents from manufacturers or procurement portals like Status Note
For example, for a pipe with an OD of 50 mm, the tolerance might be ±0.2 mm for Class A vs. ±0.5 mm for Class B. gost 2685-75 pdf
GOST 2685-75 is a standard developed by the State Committee for Standards of the USSR ( Gosudarstvennyi Komitet po Standartam SSSR). The standard provides guidelines for geological and geophysical investigations, including: : You may find excerpts of the standard
GOST 2685-75 is a retired Soviet/Russian state standard that established the technical specifications for aluminum casting alloys . While it was formally superseded by GOST 1583-89 gost 2685-75 pdf