My rough translations of the photo captions, clockwise from top left are:

• Type Mondial
• Type O. K.
• Fork type set

I think that better labels might be:

• Super Champion Mondial
• Super Champion OE (the letters 'OE' stand for 'Oscar Egg', the owner of Super Champion)
• Super Champion Course

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• Publisher: New Cycling
• Document: New Cycling May 1981 - '81 Derailleur Collection
• Date: May 1981
• Derailleur brands: Super Champion
• Derailleurs: Super Champion Mondial, Super Champion OE Course, Super Champion Course