DB43ICS53.020.30J80湖南省地方标准DB43/TXXXX—XXXX起重永磁铁拉脱力检测技术规范Pulling-outforcetesttechnicalspecificationsforLiftingpermanentmagnets(征求意见稿)2021-XX-XX发布2021-XX-XX实施湖南省市...