ECTS definitions

Ects

1) European train control system 2) Prefixes meaning outside
Found on https://www.crosswordclues.com/clue/ects

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ECTS

European Train Control System
Found on http://www.encyclo.co.uk/local/20497

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ECTS

European Calcified Tissue Society
Found on http://www.encyclo.co.uk/local/20895

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