Home / Standards / GB/T 9347-2025 GB/T 9347-2025 Active Determination of vinyl acetate content in vinyl chloride-vinyl acetate copolymers 氯乙烯-乙酸乙烯酯共聚物中乙酸乙烯酯的测定方法 Standard Type GBT ICS 83.080.20 CCS G31 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A