GOST 25820-83

Lifts. Control devices, signals and additional fittings

Ropes of wires for autotractor electrical equipment. General specifications

Petroleum and natural gas industries. Downhole equipment. Lock mandrels and landing nipples. General technical requirements

Black powder. General specification

Occupational safety standards system. Respiratory protective devices. Methods of test and test equipment. Part 4. Determination of gas capacity, internal migration/desorption of gas and combined filters using constant air flow and breakthrough time of filters against carbon monoxide using sinusoidal air flow

Fixing cramps for split core boxes. Design and dimensions