GB/T 38662-2020物联网标识体系Ecode标识应用指南标准
英文:Identification system for internet of things—Guideline for Ecode identification applications GB/T 38662-2020介绍: 国家标准《...
英文:Identification system for internet of things—Guideline for Ecode identification applications GB/T 38662-2020介绍: 国家标准《...