YY/T 1142-2013: Methods of measuring the frequency of medical ultrasonic equipment and probe Delivery: 9 seconds. Download (and Email) true-PDF + Invoice. Get Quotation: Click YY/T 1142-2013 (Self-service in 1-minute) Newer / historical versions: YY/T 1142-2013 Preview True-PDF (Reload/Scroll-down if blank)
