Home / Standards / GB/T 27793 GB/T 27793 Active Beater process non-asbestos fiber gasket material 抄取法无石棉纤维垫片材料 Standard Type GBT ICS 23.100.60 CCS Q69 Status 现行 Issue Date 2025-12-09 Implementation 2025-06-01 Responsible Dept N/A Drafting Unit N/A