JG/T 44-1999 Internal concrete vibrators with eccentric weight driven by electric motor through flexible shaft

GB 8527-1987作废

GB 8530 GB 3883.1-2000 Safety of hand-held motor-operated electric tools—Part 1:General requirements GB 3883.1-2005 Safety of hand-held motor-operated electric tools—Part 1:General requirements GB 3883.1-2008 Safety of hand-held motor-operated electric tools—Part 1:General requirements GB/T 3883.1-2014 Safety of motor-operated hand-held, transportable electric tools and lawn and garden tools—Part 1:General requirements GB/T 5171-2002 General technical requirements for small power motors GB/T 5171.1-2014 Small power motors—Part 1:General technical requirements GB/T 5171.21-2016 Small power motors—Part 21:General test methods GB/T 5171.22-2017 Small-power motors—Part 22:Test methods for permanent magnet brushless DC motors GB 755-2000 Rotating electrical machines—Rating and performance GB/T 755-2008 Rotating electrical machines—Rating and performance GB/T 755-2019 Rotating electrical machines—Rating and performance GB/T 755.2-2003 Methods for determining losses and efficiency of rotating electrical machinery from tests(excluding machines for traction vehicles) GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 755-2025 Rotating electrical machines—Rating and performance GB/T 191-2025 Graphical symbols marking for handling and storage of packages