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BSI
23/30448134 DC
En Vigor
2023-02-14
BS EN 61810-7-18 Electrical relays. Tests and Measurement. Thermal
resistance of the coil
BSI
BSI
23/30471238 DC
En Vigor
2023-03-13
BS EN IEC 61810-7-43. Electrical relays. Tests and Measurements. Part
7-43. Proof tracking index (PTI)
BSI
25/30456747 DC
En Vigor
2025-01-14
BS ISO 13825 Petroleum and related products - Determination of arsenic
in crude petroleum using atomic fluorescence spectrometry










