GB 20653-2020防护服装职业用高可视性警示服标准
英文:Protective clothing—High visibility warning clothing for professional use GB 20653-2020介绍: 国家标准《防护服装 职业用高可视性警示服》由TC11...
英文:Protective clothing—High visibility warning clothing for professional use GB 20653-2020介绍: 国家标准《防护服装 职业用高可视性警示服》由TC11...