GB/T 37820.1-2019 Ships and marine technology—Design, location and use of shipboard safety signs, safety-related signs, safety notices and safety markings—Part 1: Design principles (English Version)
2019GB/T 37820.1-2019 Ships and marine technology—Design, location and use of shipboard safety signs, safety-related signs, safety notices and safety markings—Part 1: Design principles