GB/T 23658-2009: Elastomer seals transport gas and hydrocarbon liquids in pipes and fittings with seal material requirements Delivery: 9 seconds. Download (and Email) true-PDF + Invoice. Get Quotation: Click GB/T 23658-2009 (Self-service in 1-minute) Newer / historical versions: GB/T 23658-2009 Preview True-PDF (Reload/Scroll-down if blank)
