Home / Standards / GB/T 13505-2025 GB/T 13505-2025 Upcoming Pure insulating pulp 高纯度绝缘木浆 Standard Type GBT ICS 85.040 CCS Y 31 Status 即将实施 Issue Date 2025-12-02 Implementation 2026-07-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A