Home / Standards / GB/T 44693.4-2026 GB/T 44693.4-2026 Upcoming Process stability of hazardous chemical enterprises—Part 4: Management specification for start-up process 危险化学品企业工艺平稳性 第4部分:开工过程管理规范 Standard Type GBT ICS 13.200 CCS E09 Status 即将实施 Issue Date 2026-02-27 Implementation 2026-06-01 Responsible Dept 国家标准委 Drafting Unit N/A