GB/T 17470 — 玻璃纤维短切原丝毡和连续原丝毡 GB/T 17470-2007 玻璃纤维短切原丝毡和连续原丝毡. CNAS-accredited laboratory test standard. Version reference only. No standard text. GB 1033.1 1462 13657 5169.16 5349 228.1 7690.3 GB 9274 1771 1452 5169.12 4618.2 Testing: info@leisa.com