ICS35.080CCS L 771B12天津市地方标准DB12/T11632022共享经济灵活就业人员管理与服务中区块链全链路凭证系统支撑平台建设指南Guidelines for building blockchain full-link document system support platform in themanagement and service for the Gig Worker in the sharing economy2022-10-18发布2022-11-15实施天津市市场监督管理委员会发布
