GB/T 12221-2005: Metal valves -- Face to face, end to end, center to face and center to end dimensions Delivery: 9 seconds. Download (and Email) true-PDF + Invoice. Get Quotation: Click GB/T 12221-2005 (Self-service in 1-minute) Newer / historical versions: GB/T 12221-2005 Preview True-PDF (Reload/Scroll-down if blank)
