Horology. Reduction involute toothed gearings. Teeth corrected with changes in the centre distance.

Main informations

National standards and national normative documents

December 1979

2 p.

NF S80-568

39.040.01 Horology in general

S80-568

Standard replaced by (1)

NF S80-568

March 1995

Standard Current

Horology. Reducing involute toothing gears. Corrected toothing with variation of centre distance.

Le présent document caractérise les engrenages réducteurs à denture corrigée pour le pignon et à denture normale pour la roue.

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