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International Standard Category: Radiographic equipment

YY/T 1142-2003    Methods of measuring frequency of medical diagnostic and monitoring ultrasonic equipment
医用超声诊断和监护设备频率特性的测试方法;
Category No.:11.040.50 Valid Status:superseded
Issued Organization:SFDA Issued Date:2003-6-20
Implemented Date:2004-1-1 Abolished Date:
Superseded Standard.:YY/T 1142-2013 Methods of measuring the frequency of medical ultrasonic equipment and probe
Superseded Date:2014-10-1
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