Russian standards PDF
Petroleum products. Determination of knock characteristics of motor fuels. Research method
Document status: Replaced by GOST R 52947-2019
Cardiac valve prostheses. Part 1. General technical requirements and test methods
Document status: Cancelled
Sewing threads for technical and special manufactured goods. Specifications
Document status: Active
Food additives. Citric acid anhydrous E330. General specifications
Document status: Cancelled