GB/T 10846-1989 General specifications of marine autopilot with magnetic compass

GB/T 5743-2025 Marine pilot

GB 3896 GB 3907 GB 6833 CB 1038 CB 1146.11 CB 1146.12 CB 1146.15 CB* 3023 CB/Z 206 GB/T 2423.1-2001 Environmental testing for electric and electronic products—Part 2:—Test methods Tests A:Cold GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold GB/T 2423.2-2001 Environmental testing for electric and electronic products—Part 2:Test methods-Tests B:Dry heat GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat GB/T 2423.4-1993 Basic environmental testing procedures for electric and electronic products—Test Db:Damp heat, cyclic GB/T 2423.4-2008 Environmental testing for electric and electronic products—Part 2:Test method—Test Db:Damp heat,cyclic(12 h+12 h cycle) GB/T 3768-1996 Acoustics—Determination of sound power levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane GB/T 3768-2017 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane GB/T 4859-1984 General methods of measurement of immunity to interference for electrical equipment GB/T 10104-1995 Marine magnetic compass of class B general specifications GB/T 10104-2011 Marine magnetic compass of class B