How to calculate accurate ISO 12647-2 TVI curves

General Color & Graphics Press Calibration & Profiling
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How to calculate ISO 12647-2 TVI curves?

there are 6 type TVI curves(A, B, C, D, E, F) in ISO 12647-2.
How to calculate accurate ISO 12647-2 TVI curves?
Does has the ISO document let me reference?

Thanks