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NF C74-348 ; NF EN 60601-2-47:2015-08-22
Medical electrical equipment - Part 2-47 : particular requirements for the basic safety and essential performance of ambulatory electrocardiographic systems
Edition
2015-08-22
NF C74-349 ; NF EN 60601-2-27:2014-11-22
Medical electrical equipment - Part 2-27 : particular requirements for the basic safety and essential performance of electrocardiographic monitoring equipment
Edition
2014-11-22
NF C74-350 ; NF EN IEC 60601-2-50:2021-07-16
Medical electrical equipment - Part 2-50 : particular requirements for the basic safety and essential performance of infant phototherapy equipmen
Edition
2021-07-16
NF C74-350/A1 ; NF EN IEC 60601-2-50/A1:2023-12-08
Medical electrical equipment - Part 2-50 : particular requirements for the basic safety and essential performance of infant phototherapy equipment
Edition
2023-12-08
NF C74-351-1 ; NF EN IEC 62127-1:2022-05-06
Ultrasonics - Hydrophones - Part 1: measurement and characterization of medical ultrasonic fields
Edition
2022-05-06
NF C74-351-2 ; NF EN IEC 62127-2:2025-02-21
Ultrasonics - Hydrophones - Part 2: calibration for ultrasonic fields
Edition
2025-02-21
NF C74-351-2 ; NF EN 62127-2:2008-03-01
Ultrasonics - Hydrophones - Part 2: calibration for ultrasonic fields up to 40 MHz
Edition
2008-03-01
NF C74-351-2/A1 ; NF EN 62127-2/A1:2013-07-26
Ultrasonics - Hydrophones - Part 2: calibration for ultrasonic fields up to 40 MHz
Edition
2013-07-26
NF C74-351-2/A2 ; NF EN 62127-2/A2:2017-09-02
Ultrasonics - Hydrophones - Part 2: calibration for ultrasonic fields up to 40 MHz
Edition
2017-09-02
NF C74-351-3 ; NF EN IEC 62127-3:2023-01-27
Ultrasonics - Hydrophones - Part 3: Properties of hydrophones for ultrasonic fields
Edition
2023-01-27
