UNE-EN 29409-1:1992 (Ratificada)
ROBOTS MANIPULADORES INDUSTRIALES. INTERFACES MECÁNICOS. PARTE 1: INTERFACES CIRCULARES (FORMA A) (ISO 9409-1:1988). (RATIFICADA POR AENOR EN ABRIL DE 1994.)
MANIPULATING INDUSTRIAL ROBOTS. MECHANICAL INTERFACES. PART 1: CIRCULAR (FORM A). (Endorsed by AENOR in April of 1994.)