Home / Standards / GB/T 43505-2023 GB/T 43505-2023 Active Ceramic lined tubing 陶瓷内衬油管 Standard Type GBT ICS 75.180.10 CCS E 92 Status 现行 Issue Date 2023-12-28 Implementation 2024-04-01 Responsible Dept 国家标准委 Drafting Unit N/A