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NF C74-265 ; NF EN 60601-2-65:2013-03-13
Medical electrical equipment - Part 2-65 : particular requirements for basic safety and essential performance of dental intra-oral X-ray equipment
Edition
2013-03-13
SN EN 257+A1
Mechanical thermostats for gas-burning appliances
Edition
2024-01
NF D36-500/IN1 ; NF EN 257/IN1:2023-12-13
Mechanical thermostats for gas-burning appliances
Edition
2023-12-13
NF C74-263 ; NF EN 60601-2-63:2015-09-05
Medical electrical equipment - Part 2-63 : particular requirements for basic safety and essential performance of dental extra-oral X-ray equipment
Edition
2015-09-05
UNE-EN 257
Mechanical thermostats for gas-burning appliances
Edition
2010-12-29
NF D36-500 ; NF EN 257:2011-03-01
Mechanical thermostats for gas-burning appliances
Edition
2011-03-01
NF C42-569-5 ; NF EN 61869-5:2012-06-01
Instrument transformers - Part 5: additional requirements for capacitor voltage transformers
Edition
2012-06-01
UNE-EN 61869-5
Instrument transformers - Part 5: Additional requirements for capacitor voltage transformers
Edition
2012-09-26
UNE-EN 257
Mechanical thermostats for gas-burning appliances
Edition
2023-12-20
NF D36-500 ; NF EN 257+A1:2023-12-13
Mechanical thermostats for gas-burning appliances
Edition
2023-12-13