GB 18613 Minimum allowable values of energy efficiency and values of efficiency grades for motors*, 2020-05-29 Update
GB 5903 Gear oils for industrial enclosed gear system
GB 755 Rotating electrical machines.Rating and performance
GB/T 10095.1 Cylindrical gears—ISO system of flank tolerance classification—Part 1:Definitions and allowable values of deviations relevant to flanks of gear teeth*, 2022-10-12 Update
GB/T 10095.2 ISO tooth surface tolerance classification system for cylindrical gears - Part 2: Definition and allowable values of comprehensive radial deviation*, 2023-08-06 Update
GB/T 12785 Test methods for submersible motor-pumps
GB/T 4942.1 Degrees of protection provided by the integral design of rotating electrical machined (IP code) - Classification
GB/T 4956 Non-magnetic coatings on magnetic substrates--Measurement of coating thickness-Magnetic method
GB/T 5013.4 Rubber insulated cables of rated voltages up to and including 450/750 V.Part 4: Cords and flexible cables
GB/T 6556 Type,main dimension,material and marking of mechanical seals
GB/T 6822 Antifouling and anticorrosive paint systems for ship hull
GB/T 7324 General purpose lithium lubricating grease
GB/T 9239.1 Mechanical vibration. Balance quality requirements for rotors in a constant(rigid) state. Part 1: Specification and verification of balance tolerances