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SN EN ISO 23470
Soil quality - Determination of effective cation exchange capacity (CEC) and exchangeable cations using a hexamminecobalt trichloride solution (ISO 23470:2018)
Edition
2019-04
SN EN ISO 4869-2
Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn (ISO 4869-2:2018)
Edition
2019-07
SN EN ISO 11260
Soil quality - Determination of effective cation exchange capacity and base saturation level using barium chloride solution (ISO 11260:2018)
Edition
2018-11
SN EN 60512-23-7
Connectors for electronic equipment - Tests and measurements. Part 23-7: Screening and filtering tests - Test 23g: Effective transfer impedance of connectors
Edition
2005-03
NF E49-160-1/A1 ; NF ISO 6358-1/A1:2020-09-26
Pneumatic fluid power - Determination of flow-rate characteristics of components using compressible fluids - Part 1: general rules and test methods for steady-state flow - Amendment 1 : effective conductance
Edition
2020-09-26
NF C93-621-11 ; NF EN 60444-11:2011-03-01
Measurement of quartz crystal unit parameters - Part 11: standard method for the determination of the load resonance frequency fL and the effective load capacitance CLeff using automatic network analyzer techniques and error correction
Edition
2011-03-01
ISO 5291
Belt drives - Grooved pulleys for joined classical V-belts - Groove sections AJ, BJ, CJ and DJ (effective system)
Edition
2011-12
ISO 5290
Belt drives - Grooved pulleys for narrow V-belts - Groove sections 9N/J, 15N/J and 25N/J (effective system)
Edition
2001-09
ISO 8419
Belt drives - Narrow V-belts - Sections 9N/J, 15N/J and 25N/J (lengths in the effective system)
Edition
2003-02
ONR CEN/TS 18041
Hydrometry - Sedimentation - Measurements required for effective sediment management and control at river structures
Edition
2024-01-15