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F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
Dispositif de securite pour assurer la liaison par broche a deux tetes d'elements de gouttieres d'un convoyeur a chaine a raclettes ou d'elements d'un guidage d'une machine d'extraction et l'analogue