Russian standards
Petroleum and natural gas industries. Downhole equipment. Packers and bridge plugs. General technical requirements
Document status: Active
Stationary distillation desalting units. Methods of chemical analysis of scale and slurries
Document status: Active
Hard coal and coke. Mechanical sampling. Part 6. Coke. Preparation of test samples
Document status: Active
Steel welded vessels and apparatus. General specifications
Document status: Active
Caprolactam. Determination of acidity, alkalinity and pH of 20 percent aqueous solution of caprolactam
Document status: Active