[农业行业标准] NY/T 4639-2025 种鸡本交笼饲养技术规范
[化工行业标准] HG/T 4639-2014 C.I.酸性红 114
[国外标准] BS EN 4639-001-2008 Aerospace series — Connectors, optical, rectangular, modular, multicontact, 1,25
[冶金行业标准] YB/T 4639-2018 热风炉用红柱石砖
[轻工行业标准] QB/T 4639-2014 δ-十二内酯