ICS 83.180CCS G 39中华人民共和国国家标准GB/T 44543—2024预制混凝土节段拼装用环氧胶粘剂Epoxy adhesive for precast concrete segmental construction2024-09-29 发布2025-04-01 实施国家市场监督管理总局国家标准化管理委员会发 布目　　次前言 ····························································...