GB/T 20438.2 Functional safety of electrical/electronic/programmable electronic safety-related systems—Part 2:Requirements for electrical/electronic/programmable electronic safety-related systems
GB/T 20438.3 Functional safety of electrical/electronic/programmable electronic safety-related systems Part 3: Software requirements*, 2018-07-01 Update
GB/T 20438.4 Functional safety of electrical/electronic/programmable electronic safety-related systems—Part 4: Definitions and abbreviations