Home / Standards / GB/T 44317-2024 GB/T 44317-2024 Active Thermoplastics lined tubing 热塑性塑料内衬油管 Standard Type GBT ICS 75.180.10 CCS E 92 Status 现行 Issue Date 2024-08-23 Implementation 2025-03-01 Responsible Dept 国家标准委 Drafting Unit N/A