ICS97.220CCSY5523黑龙江省地方标准DB23/T3650—2023冰上马拉松赛事组织服务规范2023-12-29发布2024-1-28实施黑龙江省市场监督管理局发布DB23/T3650—2023I目次前言..................................................................................II1范围.................................................................................12规范性引用文件...................................
