MEDIDAS PARA EL MONTAJE DE LOS COMPONENTES ELECTRONICOS MONTADOS POR EL COJINETE EN UN TALADRO UNICO Y PROVISTOS DE UN EJE DE MANDO
DIMENSIONS FOR THE MOUNTING OF SINGLE-HOLE, BUSH-MOUNTED, SPINDLE-OPERATED ELECTRONIC COMPONENTS
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31.240 / Mechanical structures for electronic equipment
CTN 209 - Electronic equipment
IEC 620:1978 (Identical)
IEC 620:1978+620A:79 (Identical)
It is cancelled by: UNE 20634:1996
