GB/T 40775-2021生态设计产品评价技术规范灯具标准
英文:Technical specification for eco-design product assessment—Luminaries GB/T 40775-2021介绍: 国家标准《生态设计产品评价技术规范 灯具》由TC297(全...
英文:Technical specification for eco-design product assessment—Luminaries GB/T 40775-2021介绍: 国家标准《生态设计产品评价技术规范 灯具》由TC297(全...