GOST 21427.4-78

Electromagnetic compatibility of technical equipment. Specification for radio disturbance and immunity measuring apparatus and methods. Part 1-4. Radio disturbance and immunity measuring apparatus. Antennas and test sites for radiated disturbance measurements

Driving and driven machines. Shaft heights

Non-destructive testing of welds. Visual testing of fusion-welded joints

Electromagnetic compatibility of technical equipment. Voltage dips, short interruptions and voltage variations immunity. Requirements and test methods

Neutron generators. Types and parameters

Readjustable built-up detachable fixtures for assembly of elements to be welded. Specifications