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GB/T 25292-2010 Specification for direct current machine in ships (USD) via email in 1-3 business day VALID
GB/T 20833.1-2016 Rotating electrical machines—the stator winding insulation of rotating electrical machines—Part 1:Off-line partial discharge measurements (USD) via email in 1-5 business day VALID
GB/T 20140-2016 Measurement method and evaluation criteria of dynamic characteristic and vibration on stator end windings of cylindrical synchronous generators (USD) via email in 1-3 business day VALID
GB/T 17948.6-2018 Rotating electrical machines—Functional evaluation of insulation systems—Test procedures for form-wound windings—Evaluation of thermomechanical endurance of insulation systems (USD) via email in 1-3 business day VALID
GB/T 22715-2016 via email in VALID please email coc@codeofchina.com for quotation
GB/T 32891.2-2019 Rotating electrical machines—Efficiency classes(IE-code)—Part 2:Variable speed AC motors (USD) via email in 1-3 business day VALID
GB/T 25442-2018 Standard methods for determining losses and efficiency of rotation electricalmachines from tests(excluding machines for traction vehicles) (USD) via email in 1-8 business day VALID
GB/T 34862-2017 (USD) via email in 1-3 business day VALID
GB/T 4831-2016 Specification for model of rotating electrical motor (USD) via email in 1-3 business day VALID
JB/T 8982-2011 Specification for a.c. three-phase stable frequency andvoltage power source set and system via email in VALID please email coc@codeofchina.com for quotation
GB/T 20833.3-2018 Rotating electrical machines—Stator winding insulation of rotating electrical machines—Part 3:Dielectric dissipation factor measurement (USD) via email in 1-3 business day VALID
GB/T 7060-2019 General specifications for rotary electrical machines in ships (USD) via email in 1-5 business day VALID
GB/T 755-2019 Rotating electrical machines—Rating and performance (USD) via email in 1-8 business day VALID
GB/T 4772.1-1999 Dimensions and output series for rotating electrical machines -Part 1:Frame numbers 56 to 400 and flange numbers 55 to 1 080 (USD) via email in 1-5 business day VALID
GB/T 21210-2016 Starting performance of single-speed three-phase cage induction motors (USD) via email in 1-3 business day VALID
GB/T 4772.3-1999 Dimensions and output series for rotating electrical machines-Part 3:Samll built-in motors- Flange numbers BF10 to BF50 (USD) via email in 1-3 business day VALID
GB 10068-2000 Mechanical vibration of certain machines with shaft heights 56mm and higher--Measurement, evaluation and limits of vibration (USD) via email in 1-3 business day ABOLISHED
GB/T 22717-2008 Test specifications of interturn insulation of field pole coil and field winding for electrical machines (USD) via email in 1-3 business day VALID
GB/T 5171-2002 General technical requirements for small power motors via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 17948.3-2017 Rotating electrical machines—Functional evaluation of insulation systems—Test procedures for form-wound windings—Thermal evaluation and classification of insulation systems used in rotating machines (USD) via email in 1-3 business day VALID
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