ENGRANAJES. VOCABULARIO Y DEFINICIONES GEOMETRICAS. INDICE: ESPAÑOL-ALEMAN-INGLES-FRANCES
GEARS. VOCABULARY AND GEOMETRIC DEFINITIONS. INDEX: SPANISH-GERMAN-ENGLISH-FRENCH.
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CTN 18 - Transmissions, bearings and gears
ISO/R 1122 (Non-equivalent)
It is cancelled by: UNE 18004-1:1993
