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NF C74-223 ; NF EN 61262-3:1994-12-01
Medical electrical equipment. Characteristics of electro-optical X-ray image intensifiers. Part 3: determination of the luminance distribution and luminance non-uniformity
Edition
1994-12-01
NF C74-225 ; NF EN 61262-5:1994-12-01
Medical electrical equipment. Characteristics of electro-optical X-ray image intensifiers. Part 5: determination of the detective quantum efficiency
Edition
1994-12-01
NF C74-226 ; NF EN 61262-6:1994-12-01
Medical electrical equipment. Characteristics of electro-optical X-ray image intensifiers. Part 6: determination of the contrast ratio and veiling glare index
Edition
1994-12-01
BS EN 60522
Determination of the permanent filtration of X-ray tube assemblies
Edition
1999-06-15
BS ISO 13971
Refrigeration systems and heat pumps. Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes. Requirements and classification
Edition
2012-09-30
NF A49-300-4 ; NF EN 10305-4:2016-07-22
Steel tubes for precision applications - Technical delivery conditions - Part 4: seamless cold drawn tubes for hydraulic and pneumatic power systems
Edition
2016-07-22
UNE-EN 10305-4
Steel tubes for precision applications - Technical delivery conditions - Part 4: Seamless cold drawn tubes for hydraulic and pneumatic power systems
Edition
2016-09-28
UNE-EN 12952-3
Water-tube boilers and auxiliary installations - Part 3: Design and calculation for pressure parts of the boiler
Edition
2023-10-04
NF E32-110-3 ; NF EN 12952-3:2022-11-02
Water-tube boilers and auxiliary installations - Part 3: Design and calculation for pressure parts of the boiler
Edition
2022-11-02
ISO/TR 15377
Measurement of fluid flow by means of pressure-differential devices - Guidelines for the specification of orifice plates, nozzles and Venturi tubes beyond the scope of ISO 5167 series
Edition
2023-09
