Russian standards
Solid biofuels. Method for the determination of ash melting behaviour. Part 1. Characteristic temperatures method
Document status: Active
Solid biofuels. Determination of total sulphur and chlorine content
Document status: Active
Motor oils. Method for determination of detergent properties
Document status: Active
Petroleum and natural gas industries. Downhole equipment. Packers and bridge plugs. General technical requirements
Document status: Active