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Normas BSI

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BSI

BS EN 60444-4:1997, IEC 60444-4:1988

En Vigor
1993-08-15
Measurement of quartz crystal unit parameters. Method for the measurement of the load resonance frequency f L , load resonance resistance R L and the calculation of other derived values of quartz crystal units, up to 30 MHz
BSI

BS EN 927-2:2022 - TC

En Vigor
2022-12-08
Tracked Changes. Paints and varnishes. Coating materials and coating systems for exterior wood. Part 2. Performance specification
BSI

19/30355173 DC

En Vigor
2019-05-08
BS ISO 20794-4. Road vehicles. Clock extension peripheral interface (CXPI). Part 4. Data link layer and physical layer
BSI

BS EN 2591-308:1998

En Vigor
1998-08-15
Elements of electrical and optical connection. Test methods. Sand and dust